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Finding the Fourth Proportional to 50,691.68, 69,926.46 and 29,468.60

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Solution

The fourth proportional to 50,691.68, 69,926.46 and 29,468.60 is: 40,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691.68 : 69,926.46 = 29,468.60 : x
  2. Step 2: Convert to fraction form
    50,691.68/69,926.46 = 29,468.60/x
  3. Step 3: Cross multiply
    50,691.68x = 69,926.46 × 29,468.60
  4. Step 4: Simplify right side
    50,691.68x = 2,060,634,879.16
  5. Step 5: Solve for x
    x = 2,060,634,879.16/50,691.68
  6. Step 6: Final answer
    x = 40,650.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.