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Finding the Fourth Proportional to 9,061.70, 12,473.04 and 6,699.74

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Solution

The fourth proportional to 9,061.70, 12,473.04 and 6,699.74 is: 9,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.70 : 12,473.04 = 6,699.74 : x
  2. Step 2: Convert to fraction form
    9,061.70/12,473.04 = 6,699.74/x
  3. Step 3: Cross multiply
    9,061.70x = 12,473.04 × 6,699.74
  4. Step 4: Simplify right side
    9,061.70x = 83,566,125.01
  5. Step 5: Solve for x
    x = 83,566,125.01/9,061.70
  6. Step 6: Final answer
    x = 9,221.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.