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Finding the Fourth Proportional to 57,792.29, 79,730.83 and 36,269.47

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Solution

The fourth proportional to 57,792.29, 79,730.83 and 36,269.47 is: 50,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,792.29 : 79,730.83 = 36,269.47 : x
  2. Step 2: Convert to fraction form
    57,792.29/79,730.83 = 36,269.47/x
  3. Step 3: Cross multiply
    57,792.29x = 79,730.83 × 36,269.47
  4. Step 4: Simplify right side
    57,792.29x = 2,891,795,101.87
  5. Step 5: Solve for x
    x = 2,891,795,101.87/57,792.29
  6. Step 6: Final answer
    x = 50,037.73

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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.