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Finding the Fourth Proportional to 25,446.60, 38,169.90 and 8,801.10

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Solution

The fourth proportional to 25,446.60, 38,169.90 and 8,801.10 is: 13,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.60 : 38,169.90 = 8,801.10 : x
  2. Step 2: Convert to fraction form
    25,446.60/38,169.90 = 8,801.10/x
  3. Step 3: Cross multiply
    25,446.60x = 38,169.90 × 8,801.10
  4. Step 4: Simplify right side
    25,446.60x = 335,937,106.89
  5. Step 5: Solve for x
    x = 335,937,106.89/25,446.60
  6. Step 6: Final answer
    x = 13,201.65

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Similar ratio
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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.