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Finding the Fourth Proportional to 52,375.92, 72,278.99 and 28,502.56

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Solution

The fourth proportional to 52,375.92, 72,278.99 and 28,502.56 is: 39,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.92 : 72,278.99 = 28,502.56 : x
  2. Step 2: Convert to fraction form
    52,375.92/72,278.99 = 28,502.56/x
  3. Step 3: Cross multiply
    52,375.92x = 72,278.99 × 28,502.56
  4. Step 4: Simplify right side
    52,375.92x = 2,060,136,249.21
  5. Step 5: Solve for x
    x = 2,060,136,249.21/52,375.92
  6. Step 6: Final answer
    x = 39,333.65

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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.