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Finding the Fourth Proportional to 40,475.07, 60,713.01 and 12,395.07

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Solution

The fourth proportional to 40,475.07, 60,713.01 and 12,395.07 is: 18,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.07 : 60,713.01 = 12,395.07 : x
  2. Step 2: Convert to fraction form
    40,475.07/60,713.01 = 12,395.07/x
  3. Step 3: Cross multiply
    40,475.07x = 60,713.01 × 12,395.07
  4. Step 4: Simplify right side
    40,475.07x = 752,542,008.86
  5. Step 5: Solve for x
    x = 752,542,008.86/40,475.07
  6. Step 6: Final answer
    x = 18,592.73

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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.