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Finding the Fourth Proportional to 40,592.77, 60,894.89 and 12,515.11

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Solution

The fourth proportional to 40,592.77, 60,894.89 and 12,515.11 is: 18,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,592.77 : 60,894.89 = 12,515.11 : x
  2. Step 2: Convert to fraction form
    40,592.77/60,894.89 = 12,515.11/x
  3. Step 3: Cross multiply
    40,592.77x = 60,894.89 × 12,515.11
  4. Step 4: Simplify right side
    40,592.77x = 762,106,246.79
  5. Step 5: Solve for x
    x = 762,106,246.79/40,592.77
  6. Step 6: Final answer
    x = 18,774.43

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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.