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Finding the Fourth Proportional to 50,737.74, 70,018.17 and 28,077.69

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Solution

The fourth proportional to 50,737.74, 70,018.17 and 28,077.69 is: 38,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,737.74 : 70,018.17 = 28,077.69 : x
  2. Step 2: Convert to fraction form
    50,737.74/70,018.17 = 28,077.69/x
  3. Step 3: Cross multiply
    50,737.74x = 70,018.17 × 28,077.69
  4. Step 4: Simplify right side
    50,737.74x = 1,965,948,471.63
  5. Step 5: Solve for x
    x = 1,965,948,471.63/50,737.74
  6. Step 6: Final answer
    x = 38,747.26

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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.