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Finding the Fourth Proportional to 39,247.55, 54,157.74 and 22,248.44

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Solution

The fourth proportional to 39,247.55, 54,157.74 and 22,248.44 is: 30,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.55 : 54,157.74 = 22,248.44 : x
  2. Step 2: Convert to fraction form
    39,247.55/54,157.74 = 22,248.44/x
  3. Step 3: Cross multiply
    39,247.55x = 54,157.74 × 22,248.44
  4. Step 4: Simplify right side
    39,247.55x = 1,204,925,228.93
  5. Step 5: Solve for x
    x = 1,204,925,228.93/39,247.55
  6. Step 6: Final answer
    x = 30,700.65

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