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Finding the Fourth Proportional to 9,598,913.70, 14,398,370.55 and 7,047,996.90

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Solution

The fourth proportional to 9,598,913.70, 14,398,370.55 and 7,047,996.90 is: 10,571,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,598,913.70 : 14,398,370.55 = 7,047,996.90 : x
  2. Step 2: Convert to fraction form
    9,598,913.70/14,398,370.55 = 7,047,996.90/x
  3. Step 3: Cross multiply
    9,598,913.70x = 14,398,370.55 × 7,047,996.90
  4. Step 4: Simplify right side
    9,598,913.70x = 101,479,671,001,451.31
  5. Step 5: Solve for x
    x = 101,479,671,001,451.31/9,598,913.70
  6. Step 6: Final answer
    x = 10,571,995.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.