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Finding the Fourth Proportional to 14,536.62, 20,062.35 and 8,251.02

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Solution

The fourth proportional to 14,536.62, 20,062.35 and 8,251.02 is: 11,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,536.62 : 20,062.35 = 8,251.02 : x
  2. Step 2: Convert to fraction form
    14,536.62/20,062.35 = 8,251.02/x
  3. Step 3: Cross multiply
    14,536.62x = 20,062.35 × 8,251.02
  4. Step 4: Simplify right side
    14,536.62x = 165,534,851.10
  5. Step 5: Solve for x
    x = 165,534,851.10/14,536.62
  6. Step 6: Final answer
    x = 11,387.44

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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.