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Finding the Fourth Proportional to 10,250.60, 15,375.90 and 9,246.20

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Solution

The fourth proportional to 10,250.60, 15,375.90 and 9,246.20 is: 13,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.60 : 15,375.90 = 9,246.20 : x
  2. Step 2: Convert to fraction form
    10,250.60/15,375.90 = 9,246.20/x
  3. Step 3: Cross multiply
    10,250.60x = 15,375.90 × 9,246.20
  4. Step 4: Simplify right side
    10,250.60x = 142,168,646.58
  5. Step 5: Solve for x
    x = 142,168,646.58/10,250.60
  6. Step 6: Final answer
    x = 13,869.30

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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.