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Finding the Fourth Proportional to 61,918.71, 85,448.97 and 35,061.14

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Solution

The fourth proportional to 61,918.71, 85,448.97 and 35,061.14 is: 48,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.71 : 85,448.97 = 35,061.14 : x
  2. Step 2: Convert to fraction form
    61,918.71/85,448.97 = 35,061.14/x
  3. Step 3: Cross multiply
    61,918.71x = 85,448.97 × 35,061.14
  4. Step 4: Simplify right side
    61,918.71x = 2,995,937,872.78
  5. Step 5: Solve for x
    x = 2,995,937,872.78/61,918.71
  6. Step 6: Final answer
    x = 48,385.02

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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.