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Finding the Fourth Proportional to 16,778.66, 25,187.43 and 9,002.66

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Solution

The fourth proportional to 16,778.66, 25,187.43 and 9,002.66 is: 13,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.66 : 25,187.43 = 9,002.66 : x
  2. Step 2: Convert to fraction form
    16,778.66/25,187.43 = 9,002.66/x
  3. Step 3: Cross multiply
    16,778.66x = 25,187.43 × 9,002.66
  4. Step 4: Simplify right side
    16,778.66x = 226,753,697.61
  5. Step 5: Solve for x
    x = 226,753,697.61/16,778.66
  6. Step 6: Final answer
    x = 13,514.41

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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.