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Finding the Fourth Proportional to 58,397.49, 80,588.52 and 31,539.99

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Solution

The fourth proportional to 58,397.49, 80,588.52 and 31,539.99 is: 43,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,397.49 : 80,588.52 = 31,539.99 : x
  2. Step 2: Convert to fraction form
    58,397.49/80,588.52 = 31,539.99/x
  3. Step 3: Cross multiply
    58,397.49x = 80,588.52 × 31,539.99
  4. Step 4: Simplify right side
    58,397.49x = 2,541,761,114.91
  5. Step 5: Solve for x
    x = 2,541,761,114.91/58,397.49
  6. Step 6: Final answer
    x = 43,525.18

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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.