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Finding the Fourth Proportional to 38,458.58, 53,096.87 and 29,488.84

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Solution

The fourth proportional to 38,458.58, 53,096.87 and 29,488.84 is: 40,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.58 : 53,096.87 = 29,488.84 : x
  2. Step 2: Convert to fraction form
    38,458.58/53,096.87 = 29,488.84/x
  3. Step 3: Cross multiply
    38,458.58x = 53,096.87 × 29,488.84
  4. Step 4: Simplify right side
    38,458.58x = 1,565,765,103.93
  5. Step 5: Solve for x
    x = 1,565,765,103.93/38,458.58
  6. Step 6: Final answer
    x = 40,713.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.