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Finding the Fourth Proportional to 34,854.47, 48,099.46 and 18,938.92

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Solution

The fourth proportional to 34,854.47, 48,099.46 and 18,938.92 is: 26,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,854.47 : 48,099.46 = 18,938.92 : x
  2. Step 2: Convert to fraction form
    34,854.47/48,099.46 = 18,938.92/x
  3. Step 3: Cross multiply
    34,854.47x = 48,099.46 × 18,938.92
  4. Step 4: Simplify right side
    34,854.47x = 910,951,730.29
  5. Step 5: Solve for x
    x = 910,951,730.29/34,854.47
  6. Step 6: Final answer
    x = 26,135.87

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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.