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Finding the Fourth Proportional to 38,177.85, 52,685.37 and 21,184.71

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Solution

The fourth proportional to 38,177.85, 52,685.37 and 21,184.71 is: 29,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.85 : 52,685.37 = 21,184.71 : x
  2. Step 2: Convert to fraction form
    38,177.85/52,685.37 = 21,184.71/x
  3. Step 3: Cross multiply
    38,177.85x = 52,685.37 × 21,184.71
  4. Step 4: Simplify right side
    38,177.85x = 1,116,124,284.69
  5. Step 5: Solve for x
    x = 1,116,124,284.69/38,177.85
  6. Step 6: Final answer
    x = 29,234.86

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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.