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Finding the Fourth Proportional to 25,366.60, 38,049.90 and 17,072.20

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Solution

The fourth proportional to 25,366.60, 38,049.90 and 17,072.20 is: 25,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.60 : 38,049.90 = 17,072.20 : x
  2. Step 2: Convert to fraction form
    25,366.60/38,049.90 = 17,072.20/x
  3. Step 3: Cross multiply
    25,366.60x = 38,049.90 × 17,072.20
  4. Step 4: Simplify right side
    25,366.60x = 649,595,502.78
  5. Step 5: Solve for x
    x = 649,595,502.78/25,366.60
  6. Step 6: Final answer
    x = 25,608.30

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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.