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Finding the Fourth Proportional to 40,393.86, 60,593.03 and 12,314.84

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Solution

The fourth proportional to 40,393.86, 60,593.03 and 12,314.84 is: 18,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.86 : 60,593.03 = 12,314.84 : x
  2. Step 2: Convert to fraction form
    40,393.86/60,593.03 = 12,314.84/x
  3. Step 3: Cross multiply
    40,393.86x = 60,593.03 × 12,314.84
  4. Step 4: Simplify right side
    40,393.86x = 746,193,151.21
  5. Step 5: Solve for x
    x = 746,193,151.21/40,393.86
  6. Step 6: Final answer
    x = 18,472.94

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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.