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Finding the Fourth Proportional to 40,307.64, 60,458.22 and 25,473.30

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Solution

The fourth proportional to 40,307.64, 60,458.22 and 25,473.30 is: 38,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.64 : 60,458.22 = 25,473.30 : x
  2. Step 2: Convert to fraction form
    40,307.64/60,458.22 = 25,473.30/x
  3. Step 3: Cross multiply
    40,307.64x = 60,458.22 × 25,473.30
  4. Step 4: Simplify right side
    40,307.64x = 1,540,070,375.53
  5. Step 5: Solve for x
    x = 1,540,070,375.53/40,307.64
  6. Step 6: Final answer
    x = 38,207.90

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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.