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Finding the Fourth Proportional to 58,472.68, 80,713.04 and 34,599.30

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Solution

The fourth proportional to 58,472.68, 80,713.04 and 34,599.30 is: 47,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472.68 : 80,713.04 = 34,599.30 : x
  2. Step 2: Convert to fraction form
    58,472.68/80,713.04 = 34,599.30/x
  3. Step 3: Cross multiply
    58,472.68x = 80,713.04 × 34,599.30
  4. Step 4: Simplify right side
    58,472.68x = 2,792,614,684.87
  5. Step 5: Solve for x
    x = 2,792,614,684.87/58,472.68
  6. Step 6: Final answer
    x = 47,759.31

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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.