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Finding the Fourth Proportional to 16,446.78, 24,671.45 and 5,918.18

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Solution

The fourth proportional to 16,446.78, 24,671.45 and 5,918.18 is: 8,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,446.78 : 24,671.45 = 5,918.18 : x
  2. Step 2: Convert to fraction form
    16,446.78/24,671.45 = 5,918.18/x
  3. Step 3: Cross multiply
    16,446.78x = 24,671.45 × 5,918.18
  4. Step 4: Simplify right side
    16,446.78x = 146,010,081.96
  5. Step 5: Solve for x
    x = 146,010,081.96/16,446.78
  6. Step 6: Final answer
    x = 8,877.73

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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.