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Finding the Fourth Proportional to 40,414.88, 60,632.07 and 12,712.88

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Solution

The fourth proportional to 40,414.88, 60,632.07 and 12,712.88 is: 19,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414.88 : 60,632.07 = 12,712.88 : x
  2. Step 2: Convert to fraction form
    40,414.88/60,632.07 = 12,712.88/x
  3. Step 3: Cross multiply
    40,414.88x = 60,632.07 × 12,712.88
  4. Step 4: Simplify right side
    40,414.88x = 770,808,230.06
  5. Step 5: Solve for x
    x = 770,808,230.06/40,414.88
  6. Step 6: Final answer
    x = 19,072.39

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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.