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Finding the Fourth Proportional to 40,242.58, 60,423.13 and 22,507.98

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Solution

The fourth proportional to 40,242.58, 60,423.13 and 22,507.98 is: 33,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.58 : 60,423.13 = 22,507.98 : x
  2. Step 2: Convert to fraction form
    40,242.58/60,423.13 = 22,507.98/x
  3. Step 3: Cross multiply
    40,242.58x = 60,423.13 × 22,507.98
  4. Step 4: Simplify right side
    40,242.58x = 1,360,002,601.58
  5. Step 5: Solve for x
    x = 1,360,002,601.58/40,242.58
  6. Step 6: Final answer
    x = 33,795.11

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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.