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Finding the Fourth Proportional to 40,125.68, 60,155.68 and 15,151.56

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Solution

The fourth proportional to 40,125.68, 60,155.68 and 15,151.56 is: 22,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.68 : 60,155.68 = 15,151.56 : x
  2. Step 2: Convert to fraction form
    40,125.68/60,155.68 = 15,151.56/x
  3. Step 3: Cross multiply
    40,125.68x = 60,155.68 × 15,151.56
  4. Step 4: Simplify right side
    40,125.68x = 911,452,394.86
  5. Step 5: Solve for x
    x = 911,452,394.86/40,125.68
  6. Step 6: Final answer
    x = 22,714.94

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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.