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Finding the Fourth Proportional to 9,115.01, 13,672.52 and 2,541.20

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Solution

The fourth proportional to 9,115.01, 13,672.52 and 2,541.20 is: 3,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.01 : 13,672.52 = 2,541.20 : x
  2. Step 2: Convert to fraction form
    9,115.01/13,672.52 = 2,541.20/x
  3. Step 3: Cross multiply
    9,115.01x = 13,672.52 × 2,541.20
  4. Step 4: Simplify right side
    9,115.01x = 34,744,526.76
  5. Step 5: Solve for x
    x = 34,744,526.76/9,115.01
  6. Step 6: Final answer
    x = 3,811.79

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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.