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Finding the Fourth Proportional to 58,420.62, 87,658.17 and 22,872.71

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Solution

The fourth proportional to 58,420.62, 87,658.17 and 22,872.71 is: 34,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420.62 : 87,658.17 = 22,872.71 : x
  2. Step 2: Convert to fraction form
    58,420.62/87,658.17 = 22,872.71/x
  3. Step 3: Cross multiply
    58,420.62x = 87,658.17 × 22,872.71
  4. Step 4: Simplify right side
    58,420.62x = 2,004,980,369.62
  5. Step 5: Solve for x
    x = 2,004,980,369.62/58,420.62
  6. Step 6: Final answer
    x = 34,319.74

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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.