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Finding the Fourth Proportional to 62,868.17, 86,755.42 and 35,646.08

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Solution

The fourth proportional to 62,868.17, 86,755.42 and 35,646.08 is: 49,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,868.17 : 86,755.42 = 35,646.08 : x
  2. Step 2: Convert to fraction form
    62,868.17/86,755.42 = 35,646.08/x
  3. Step 3: Cross multiply
    62,868.17x = 86,755.42 × 35,646.08
  4. Step 4: Simplify right side
    62,868.17x = 3,092,490,641.75
  5. Step 5: Solve for x
    x = 3,092,490,641.75/62,868.17
  6. Step 6: Final answer
    x = 49,190.09

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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.