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Finding the Fourth Proportional to 50,791.68, 70,092.72 and 29,585.52

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Solution

The fourth proportional to 50,791.68, 70,092.72 and 29,585.52 is: 40,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,791.68 : 70,092.72 = 29,585.52 : x
  2. Step 2: Convert to fraction form
    50,791.68/70,092.72 = 29,585.52/x
  3. Step 3: Cross multiply
    50,791.68x = 70,092.72 × 29,585.52
  4. Step 4: Simplify right side
    50,791.68x = 2,073,729,569.41
  5. Step 5: Solve for x
    x = 2,073,729,569.41/50,791.68
  6. Step 6: Final answer
    x = 40,828.14

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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.