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Finding the Fourth Proportional to 70,141.47, 96,795.22 and 38,310.44

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Solution

The fourth proportional to 70,141.47, 96,795.22 and 38,310.44 is: 52,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,141.47 : 96,795.22 = 38,310.44 : x
  2. Step 2: Convert to fraction form
    70,141.47/96,795.22 = 38,310.44/x
  3. Step 3: Cross multiply
    70,141.47x = 96,795.22 × 38,310.44
  4. Step 4: Simplify right side
    70,141.47x = 3,708,266,792.57
  5. Step 5: Solve for x
    x = 3,708,266,792.57/70,141.47
  6. Step 6: Final answer
    x = 52,868.40

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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.