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Finding the Fourth Proportional to 50,092.56, 69,129.02 and 27,432.80

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Solution

The fourth proportional to 50,092.56, 69,129.02 and 27,432.80 is: 37,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,092.56 : 69,129.02 = 27,432.80 : x
  2. Step 2: Convert to fraction form
    50,092.56/69,129.02 = 27,432.80/x
  3. Step 3: Cross multiply
    50,092.56x = 69,129.02 × 27,432.80
  4. Step 4: Simplify right side
    50,092.56x = 1,896,402,579.86
  5. Step 5: Solve for x
    x = 1,896,402,579.86/50,092.56
  6. Step 6: Final answer
    x = 37,857.97

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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.