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Finding the Fourth Proportional to 58,565.94, 80,821.04 and 31,708.47

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Solution

The fourth proportional to 58,565.94, 80,821.04 and 31,708.47 is: 43,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,565.94 : 80,821.04 = 31,708.47 : x
  2. Step 2: Convert to fraction form
    58,565.94/80,821.04 = 31,708.47/x
  3. Step 3: Cross multiply
    58,565.94x = 80,821.04 × 31,708.47
  4. Step 4: Simplify right side
    58,565.94x = 2,562,711,522.21
  5. Step 5: Solve for x
    x = 2,562,711,522.21/58,565.94
  6. Step 6: Final answer
    x = 43,757.71

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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.