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Finding the Fourth Proportional to 27,043.56, 40,569.18 and 8,325.16

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Solution

The fourth proportional to 27,043.56, 40,569.18 and 8,325.16 is: 12,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.56 : 40,569.18 = 8,325.16 : x
  2. Step 2: Convert to fraction form
    27,043.56/40,569.18 = 8,325.16/x
  3. Step 3: Cross multiply
    27,043.56x = 40,569.18 × 8,325.16
  4. Step 4: Simplify right side
    27,043.56x = 337,744,711.72
  5. Step 5: Solve for x
    x = 337,744,711.72/27,043.56
  6. Step 6: Final answer
    x = 12,488.92

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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.