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Finding the Fourth Proportional to 40,100.30, 60,133.49 and 12,024.38

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Solution

The fourth proportional to 40,100.30, 60,133.49 and 12,024.38 is: 18,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.30 : 60,133.49 = 12,024.38 : x
  2. Step 2: Convert to fraction form
    40,100.30/60,133.49 = 12,024.38/x
  3. Step 3: Cross multiply
    40,100.30x = 60,133.49 × 12,024.38
  4. Step 4: Simplify right side
    40,100.30x = 723,068,069.79
  5. Step 5: Solve for x
    x = 723,068,069.79/40,100.30
  6. Step 6: Final answer
    x = 18,031.49

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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.