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Finding the Fourth Proportional to 69,712.44, 96,203.46 and 37,881.46

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Solution

The fourth proportional to 69,712.44, 96,203.46 and 37,881.46 is: 52,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.44 : 96,203.46 = 37,881.46 : x
  2. Step 2: Convert to fraction form
    69,712.44/96,203.46 = 37,881.46/x
  3. Step 3: Cross multiply
    69,712.44x = 96,203.46 × 37,881.46
  4. Step 4: Simplify right side
    69,712.44x = 3,644,327,521.85
  5. Step 5: Solve for x
    x = 3,644,327,521.85/69,712.44
  6. Step 6: Final answer
    x = 52,276.57

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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.