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Finding the Fourth Proportional to 40,407.62, 60,614.90 and 12,334

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Solution

The fourth proportional to 40,407.62, 60,614.90 and 12,334 is: 18,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,407.62 : 60,614.90 = 12,334 : x
  2. Step 2: Convert to fraction form
    40,407.62/60,614.90 = 12,334/x
  3. Step 3: Cross multiply
    40,407.62x = 60,614.90 × 12,334
  4. Step 4: Simplify right side
    40,407.62x = 747,624,176.60
  5. Step 5: Solve for x
    x = 747,624,176.60/40,407.62
  6. Step 6: Final answer
    x = 18,502.06

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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.