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Finding the Fourth Proportional to 40,157.57, 55,409.47 and 24,242.90

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Solution

The fourth proportional to 40,157.57, 55,409.47 and 24,242.90 is: 33,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.57 : 55,409.47 = 24,242.90 : x
  2. Step 2: Convert to fraction form
    40,157.57/55,409.47 = 24,242.90/x
  3. Step 3: Cross multiply
    40,157.57x = 55,409.47 × 24,242.90
  4. Step 4: Simplify right side
    40,157.57x = 1,343,285,902.61
  5. Step 5: Solve for x
    x = 1,343,285,902.61/40,157.57
  6. Step 6: Final answer
    x = 33,450.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.