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Finding the Fourth Proportional to 58,358.93, 87,541.49 and 18,381.04

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Solution

The fourth proportional to 58,358.93, 87,541.49 and 18,381.04 is: 27,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,358.93 : 87,541.49 = 18,381.04 : x
  2. Step 2: Convert to fraction form
    58,358.93/87,541.49 = 18,381.04/x
  3. Step 3: Cross multiply
    58,358.93x = 87,541.49 × 18,381.04
  4. Step 4: Simplify right side
    58,358.93x = 1,609,103,456.45
  5. Step 5: Solve for x
    x = 1,609,103,456.45/58,358.93
  6. Step 6: Final answer
    x = 27,572.53

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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.