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Finding the Fourth Proportional to 38,284.98, 57,207.84 and 29,228.98

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Solution

The fourth proportional to 38,284.98, 57,207.84 and 29,228.98 is: 43,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,284.98 : 57,207.84 = 29,228.98 : x
  2. Step 2: Convert to fraction form
    38,284.98/57,207.84 = 29,228.98/x
  3. Step 3: Cross multiply
    38,284.98x = 57,207.84 × 29,228.98
  4. Step 4: Simplify right side
    38,284.98x = 1,672,126,811.20
  5. Step 5: Solve for x
    x = 1,672,126,811.20/38,284.98
  6. Step 6: Final answer
    x = 43,675.79

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.