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Finding the Fourth Proportional to 16,761.44, 25,103.88 and 8,002.52

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Solution

The fourth proportional to 16,761.44, 25,103.88 and 8,002.52 is: 11,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.44 : 25,103.88 = 8,002.52 : x
  2. Step 2: Convert to fraction form
    16,761.44/25,103.88 = 8,002.52/x
  3. Step 3: Cross multiply
    16,761.44x = 25,103.88 × 8,002.52
  4. Step 4: Simplify right side
    16,761.44x = 200,894,301.78
  5. Step 5: Solve for x
    x = 200,894,301.78/16,761.44
  6. Step 6: Final answer
    x = 11,985.50

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1.5x scale

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.