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Finding the Fourth Proportional to 13,417.11, 20,125.67 and 5,095.17

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Solution

The fourth proportional to 13,417.11, 20,125.67 and 5,095.17 is: 7,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.11 : 20,125.67 = 5,095.17 : x
  2. Step 2: Convert to fraction form
    13,417.11/20,125.67 = 5,095.17/x
  3. Step 3: Cross multiply
    13,417.11x = 20,125.67 × 5,095.17
  4. Step 4: Simplify right side
    13,417.11x = 102,543,684.54
  5. Step 5: Solve for x
    x = 102,543,684.54/13,417.11
  6. Step 6: Final answer
    x = 7,642.76

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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.