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Finding the Fourth Proportional to 58,891.88, 88,366.17 and 29,312.30

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Solution

The fourth proportional to 58,891.88, 88,366.17 and 29,312.30 is: 43,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.88 : 88,366.17 = 29,312.30 : x
  2. Step 2: Convert to fraction form
    58,891.88/88,366.17 = 29,312.30/x
  3. Step 3: Cross multiply
    58,891.88x = 88,366.17 × 29,312.30
  4. Step 4: Simplify right side
    58,891.88x = 2,590,215,243.06
  5. Step 5: Solve for x
    x = 2,590,215,243.06/58,891.88
  6. Step 6: Final answer
    x = 43,982.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.