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Finding the Fourth Proportional to 9,604.70, 14,407.05 and 6,980.30

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Solution

The fourth proportional to 9,604.70, 14,407.05 and 6,980.30 is: 10,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,604.70 : 14,407.05 = 6,980.30 : x
  2. Step 2: Convert to fraction form
    9,604.70/14,407.05 = 6,980.30/x
  3. Step 3: Cross multiply
    9,604.70x = 14,407.05 × 6,980.30
  4. Step 4: Simplify right side
    9,604.70x = 100,565,531.12
  5. Step 5: Solve for x
    x = 100,565,531.12/9,604.70
  6. Step 6: Final answer
    x = 10,470.45

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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.