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Finding the Fourth Proportional to 36,580.53, 54,859.95 and 15,520.29

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Solution

The fourth proportional to 36,580.53, 54,859.95 and 15,520.29 is: 23,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.53 : 54,859.95 = 15,520.29 : x
  2. Step 2: Convert to fraction form
    36,580.53/54,859.95 = 15,520.29/x
  3. Step 3: Cross multiply
    36,580.53x = 54,859.95 × 15,520.29
  4. Step 4: Simplify right side
    36,580.53x = 851,442,333.39
  5. Step 5: Solve for x
    x = 851,442,333.39/36,580.53
  6. Step 6: Final answer
    x = 23,275.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.