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Finding the Fourth Proportional to 16,391.54, 24,581.03 and 5,859.59

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Solution

The fourth proportional to 16,391.54, 24,581.03 and 5,859.59 is: 8,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.54 : 24,581.03 = 5,859.59 : x
  2. Step 2: Convert to fraction form
    16,391.54/24,581.03 = 5,859.59/x
  3. Step 3: Cross multiply
    16,391.54x = 24,581.03 × 5,859.59
  4. Step 4: Simplify right side
    16,391.54x = 144,034,605.37
  5. Step 5: Solve for x
    x = 144,034,605.37/16,391.54
  6. Step 6: Final answer
    x = 8,787.13

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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.