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Finding the Fourth Proportional to 16,761.58, 25,104.10 and 8,002.65

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Solution

The fourth proportional to 16,761.58, 25,104.10 and 8,002.65 is: 11,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.58 : 25,104.10 = 8,002.65 : x
  2. Step 2: Convert to fraction form
    16,761.58/25,104.10 = 8,002.65/x
  3. Step 3: Cross multiply
    16,761.58x = 25,104.10 × 8,002.65
  4. Step 4: Simplify right side
    16,761.58x = 200,899,325.87
  5. Step 5: Solve for x
    x = 200,899,325.87/16,761.58
  6. Step 6: Final answer
    x = 11,985.70

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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.