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Finding the Fourth Proportional to 50,465.62, 69,642.75 and 29,257.39

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Solution

The fourth proportional to 50,465.62, 69,642.75 and 29,257.39 is: 40,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,465.62 : 69,642.75 = 29,257.39 : x
  2. Step 2: Convert to fraction form
    50,465.62/69,642.75 = 29,257.39/x
  3. Step 3: Cross multiply
    50,465.62x = 69,642.75 × 29,257.39
  4. Step 4: Simplify right side
    50,465.62x = 2,037,565,097.42
  5. Step 5: Solve for x
    x = 2,037,565,097.42/50,465.62
  6. Step 6: Final answer
    x = 40,375.31

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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.