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Finding the Fourth Proportional to 50,691.86, 69,963.45 and 29,483.43

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Solution

The fourth proportional to 50,691.86, 69,963.45 and 29,483.43 is: 40,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691.86 : 69,963.45 = 29,483.43 : x
  2. Step 2: Convert to fraction form
    50,691.86/69,963.45 = 29,483.43/x
  3. Step 3: Cross multiply
    50,691.86x = 69,963.45 × 29,483.43
  4. Step 4: Simplify right side
    50,691.86x = 2,062,762,107.71
  5. Step 5: Solve for x
    x = 2,062,762,107.71/50,691.86
  6. Step 6: Final answer
    x = 40,692.18

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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.