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Finding the Fourth Proportional to 26,488.52, 39,734.40 and 8,020.52

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Solution

The fourth proportional to 26,488.52, 39,734.40 and 8,020.52 is: 12,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.52 : 39,734.40 = 8,020.52 : x
  2. Step 2: Convert to fraction form
    26,488.52/39,734.40 = 8,020.52/x
  3. Step 3: Cross multiply
    26,488.52x = 39,734.40 × 8,020.52
  4. Step 4: Simplify right side
    26,488.52x = 318,690,549.89
  5. Step 5: Solve for x
    x = 318,690,549.89/26,488.52
  6. Step 6: Final answer
    x = 12,031.27

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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.