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Finding the Fourth Proportional to 58,935.58, 81,332.86 and 36,287.64

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Solution

The fourth proportional to 58,935.58, 81,332.86 and 36,287.64 is: 50,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,935.58 : 81,332.86 = 36,287.64 : x
  2. Step 2: Convert to fraction form
    58,935.58/81,332.86 = 36,287.64/x
  3. Step 3: Cross multiply
    58,935.58x = 81,332.86 × 36,287.64
  4. Step 4: Simplify right side
    58,935.58x = 2,951,377,046.47
  5. Step 5: Solve for x
    x = 2,951,377,046.47/58,935.58
  6. Step 6: Final answer
    x = 50,078.02

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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.