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Finding the Fourth Proportional to 38,167.47, 57,177.41 and 21,476.79

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Solution

The fourth proportional to 38,167.47, 57,177.41 and 21,476.79 is: 32,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.47 : 57,177.41 = 21,476.79 : x
  2. Step 2: Convert to fraction form
    38,167.47/57,177.41 = 21,476.79/x
  3. Step 3: Cross multiply
    38,167.47x = 57,177.41 × 21,476.79
  4. Step 4: Simplify right side
    38,167.47x = 1,227,987,119.93
  5. Step 5: Solve for x
    x = 1,227,987,119.93/38,167.47
  6. Step 6: Final answer
    x = 32,173.66

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