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Finding the Fourth Proportional to 52,143.54, 71,941.17 and 29,480.34

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Solution

The fourth proportional to 52,143.54, 71,941.17 and 29,480.34 is: 40,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.54 : 71,941.17 = 29,480.34 : x
  2. Step 2: Convert to fraction form
    52,143.54/71,941.17 = 29,480.34/x
  3. Step 3: Cross multiply
    52,143.54x = 71,941.17 × 29,480.34
  4. Step 4: Simplify right side
    52,143.54x = 2,120,850,151.60
  5. Step 5: Solve for x
    x = 2,120,850,151.60/52,143.54
  6. Step 6: Final answer
    x = 40,673.31

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1.5x scale

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.