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Finding the Fourth Proportional to 58,176.87, 87,265.32 and 16,623.87

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Solution

The fourth proportional to 58,176.87, 87,265.32 and 16,623.87 is: 24,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,176.87 : 87,265.32 = 16,623.87 : x
  2. Step 2: Convert to fraction form
    58,176.87/87,265.32 = 16,623.87/x
  3. Step 3: Cross multiply
    58,176.87x = 87,265.32 × 16,623.87
  4. Step 4: Simplify right side
    58,176.87x = 1,450,687,335.19
  5. Step 5: Solve for x
    x = 1,450,687,335.19/58,176.87
  6. Step 6: Final answer
    x = 24,935.81

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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.