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Finding the Fourth Proportional to 40,324.74, 60,480.63 and 12,622.74

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Solution

The fourth proportional to 40,324.74, 60,480.63 and 12,622.74 is: 18,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.74 : 60,480.63 = 12,622.74 : x
  2. Step 2: Convert to fraction form
    40,324.74/60,480.63 = 12,622.74/x
  3. Step 3: Cross multiply
    40,324.74x = 60,480.63 × 12,622.74
  4. Step 4: Simplify right side
    40,324.74x = 763,431,267.53
  5. Step 5: Solve for x
    x = 763,431,267.53/40,324.74
  6. Step 6: Final answer
    x = 18,932.08

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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.