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Finding the Fourth Proportional to 38,248.40, 57,257.40 and 34,101.20

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Solution

The fourth proportional to 38,248.40, 57,257.40 and 34,101.20 is: 51,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.40 : 57,257.40 = 34,101.20 : x
  2. Step 2: Convert to fraction form
    38,248.40/57,257.40 = 34,101.20/x
  3. Step 3: Cross multiply
    38,248.40x = 57,257.40 × 34,101.20
  4. Step 4: Simplify right side
    38,248.40x = 1,952,546,048.88
  5. Step 5: Solve for x
    x = 1,952,546,048.88/38,248.40
  6. Step 6: Final answer
    x = 51,049.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.