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Finding the Fourth Proportional to 58,344.96, 87,391.86 and 33,371.88

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Solution

The fourth proportional to 58,344.96, 87,391.86 and 33,371.88 is: 49,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,344.96 : 87,391.86 = 33,371.88 : x
  2. Step 2: Convert to fraction form
    58,344.96/87,391.86 = 33,371.88/x
  3. Step 3: Cross multiply
    58,344.96x = 87,391.86 × 33,371.88
  4. Step 4: Simplify right side
    58,344.96x = 2,916,430,664.90
  5. Step 5: Solve for x
    x = 2,916,430,664.90/58,344.96
  6. Step 6: Final answer
    x = 49,985.99

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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.