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Finding the Fourth Proportional to 27,248.58, 40,872.90 and 9,478.02

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Solution

The fourth proportional to 27,248.58, 40,872.90 and 9,478.02 is: 14,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.58 : 40,872.90 = 9,478.02 : x
  2. Step 2: Convert to fraction form
    27,248.58/40,872.90 = 9,478.02/x
  3. Step 3: Cross multiply
    27,248.58x = 40,872.90 × 9,478.02
  4. Step 4: Simplify right side
    27,248.58x = 387,394,163.66
  5. Step 5: Solve for x
    x = 387,394,163.66/27,248.58
  6. Step 6: Final answer
    x = 14,217.04

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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.