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Finding the Fourth Proportional to 16,610.40, 24,920.40 and 4,923.90

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Solution

The fourth proportional to 16,610.40, 24,920.40 and 4,923.90 is: 7,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.40 : 24,920.40 = 4,923.90 : x
  2. Step 2: Convert to fraction form
    16,610.40/24,920.40 = 4,923.90/x
  3. Step 3: Cross multiply
    16,610.40x = 24,920.40 × 4,923.90
  4. Step 4: Simplify right side
    16,610.40x = 122,705,557.56
  5. Step 5: Solve for x
    x = 122,705,557.56/16,610.40
  6. Step 6: Final answer
    x = 7,387.27

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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.