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Finding the Fourth Proportional to 70,227.97, 96,915.00 and 38,396.87

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Solution

The fourth proportional to 70,227.97, 96,915.00 and 38,396.87 is: 52,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227.97 : 96,915.00 = 38,396.87 : x
  2. Step 2: Convert to fraction form
    70,227.97/96,915.00 = 38,396.87/x
  3. Step 3: Cross multiply
    70,227.97x = 96,915.00 × 38,396.87
  4. Step 4: Simplify right side
    70,227.97x = 3,721,232,298.33
  5. Step 5: Solve for x
    x = 3,721,232,298.33/70,227.97
  6. Step 6: Final answer
    x = 52,987.90

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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.