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Finding the Fourth Proportional to 16,002.70, 24,004.05 and 12,697.90

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Solution

The fourth proportional to 16,002.70, 24,004.05 and 12,697.90 is: 19,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.70 : 24,004.05 = 12,697.90 : x
  2. Step 2: Convert to fraction form
    16,002.70/24,004.05 = 12,697.90/x
  3. Step 3: Cross multiply
    16,002.70x = 24,004.05 × 12,697.90
  4. Step 4: Simplify right side
    16,002.70x = 304,801,026.50
  5. Step 5: Solve for x
    x = 304,801,026.50/16,002.70
  6. Step 6: Final answer
    x = 19,046.85

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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.