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Finding the Fourth Proportional to 8,508.52, 11,740.26 and 4,972.24

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Solution

The fourth proportional to 8,508.52, 11,740.26 and 4,972.24 is: 6,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.52 : 11,740.26 = 4,972.24 : x
  2. Step 2: Convert to fraction form
    8,508.52/11,740.26 = 4,972.24/x
  3. Step 3: Cross multiply
    8,508.52x = 11,740.26 × 4,972.24
  4. Step 4: Simplify right side
    8,508.52x = 58,375,390.38
  5. Step 5: Solve for x
    x = 58,375,390.38/8,508.52
  6. Step 6: Final answer
    x = 6,860.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.