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Finding the Fourth Proportional to 70,061.44, 96,684.96 and 40,253.44

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Solution

The fourth proportional to 70,061.44, 96,684.96 and 40,253.44 is: 55,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,061.44 : 96,684.96 = 40,253.44 : x
  2. Step 2: Convert to fraction form
    70,061.44/96,684.96 = 40,253.44/x
  3. Step 3: Cross multiply
    70,061.44x = 96,684.96 × 40,253.44
  4. Step 4: Simplify right side
    70,061.44x = 3,891,902,236.26
  5. Step 5: Solve for x
    x = 3,891,902,236.26/70,061.44
  6. Step 6: Final answer
    x = 55,549.85

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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.