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Finding the Fourth Proportional to 45,452.70, 62,695.44 and 29,340.54

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Solution

The fourth proportional to 45,452.70, 62,695.44 and 29,340.54 is: 40,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.70 : 62,695.44 = 29,340.54 : x
  2. Step 2: Convert to fraction form
    45,452.70/62,695.44 = 29,340.54/x
  3. Step 3: Cross multiply
    45,452.70x = 62,695.44 × 29,340.54
  4. Step 4: Simplify right side
    45,452.70x = 1,839,518,065.14
  5. Step 5: Solve for x
    x = 1,839,518,065.14/45,452.70
  6. Step 6: Final answer
    x = 40,471.04

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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.