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Finding the Fourth Proportional to 62,934.30, 86,878.17 and 44,796.78

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Solution

The fourth proportional to 62,934.30, 86,878.17 and 44,796.78 is: 61,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,934.30 : 86,878.17 = 44,796.78 : x
  2. Step 2: Convert to fraction form
    62,934.30/86,878.17 = 44,796.78/x
  3. Step 3: Cross multiply
    62,934.30x = 86,878.17 × 44,796.78
  4. Step 4: Simplify right side
    62,934.30x = 3,891,862,268.29
  5. Step 5: Solve for x
    x = 3,891,862,268.29/62,934.30
  6. Step 6: Final answer
    x = 61,840.08

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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.