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Finding the Fourth Proportional to 56,755.52, 78,253.24 and 35,497.88

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Solution

The fourth proportional to 56,755.52, 78,253.24 and 35,497.88 is: 48,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.52 : 78,253.24 = 35,497.88 : x
  2. Step 2: Convert to fraction form
    56,755.52/78,253.24 = 35,497.88/x
  3. Step 3: Cross multiply
    56,755.52x = 78,253.24 × 35,497.88
  4. Step 4: Simplify right side
    56,755.52x = 2,777,824,123.13
  5. Step 5: Solve for x
    x = 2,777,824,123.13/56,755.52
  6. Step 6: Final answer
    x = 48,943.68

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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.