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Finding the Fourth Proportional to 38,471.76, 57,712.50 and 12,167.01

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Solution

The fourth proportional to 38,471.76, 57,712.50 and 12,167.01 is: 18,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.76 : 57,712.50 = 12,167.01 : x
  2. Step 2: Convert to fraction form
    38,471.76/57,712.50 = 12,167.01/x
  3. Step 3: Cross multiply
    38,471.76x = 57,712.50 × 12,167.01
  4. Step 4: Simplify right side
    38,471.76x = 702,188,564.63
  5. Step 5: Solve for x
    x = 702,188,564.63/38,471.76
  6. Step 6: Final answer
    x = 18,252.05

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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.