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Finding the Fourth Proportional to 50,166.38, 69,230.18 and 28,659

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Solution

The fourth proportional to 50,166.38, 69,230.18 and 28,659 is: 39,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,166.38 : 69,230.18 = 28,659 : x
  2. Step 2: Convert to fraction form
    50,166.38/69,230.18 = 28,659/x
  3. Step 3: Cross multiply
    50,166.38x = 69,230.18 × 28,659
  4. Step 4: Simplify right side
    50,166.38x = 1,984,067,728.62
  5. Step 5: Solve for x
    x = 1,984,067,728.62/50,166.38
  6. Step 6: Final answer
    x = 39,549.75

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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.