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Finding the Fourth Proportional to 16,374.90, 24,562.92 and 5,278.32

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Solution

The fourth proportional to 16,374.90, 24,562.92 and 5,278.32 is: 7,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,374.90 : 24,562.92 = 5,278.32 : x
  2. Step 2: Convert to fraction form
    16,374.90/24,562.92 = 5,278.32/x
  3. Step 3: Cross multiply
    16,374.90x = 24,562.92 × 5,278.32
  4. Step 4: Simplify right side
    16,374.90x = 129,650,951.89
  5. Step 5: Solve for x
    x = 129,650,951.89/16,374.90
  6. Step 6: Final answer
    x = 7,917.66

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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.