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Finding the Fourth Proportional to 48,227.78, 72,670.28 and 39,654.74

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Solution

The fourth proportional to 48,227.78, 72,670.28 and 39,654.74 is: 59,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,227.78 : 72,670.28 = 39,654.74 : x
  2. Step 2: Convert to fraction form
    48,227.78/72,670.28 = 39,654.74/x
  3. Step 3: Cross multiply
    48,227.78x = 72,670.28 × 39,654.74
  4. Step 4: Simplify right side
    48,227.78x = 2,881,721,059.13
  5. Step 5: Solve for x
    x = 2,881,721,059.13/48,227.78
  6. Step 6: Final answer
    x = 59,752.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.