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Finding the Fourth Proportional to 27,652.42, 41,520.16 and 15,819.55

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Solution

The fourth proportional to 27,652.42, 41,520.16 and 15,819.55 is: 23,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.42 : 41,520.16 = 15,819.55 : x
  2. Step 2: Convert to fraction form
    27,652.42/41,520.16 = 15,819.55/x
  3. Step 3: Cross multiply
    27,652.42x = 41,520.16 × 15,819.55
  4. Step 4: Simplify right side
    27,652.42x = 656,830,039.53
  5. Step 5: Solve for x
    x = 656,830,039.53/27,652.42
  6. Step 6: Final answer
    x = 23,753.08

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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.