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Finding the Fourth Proportional to 25,945.32, 38,916.15 and 14,817.13

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Solution

The fourth proportional to 25,945.32, 38,916.15 and 14,817.13 is: 22,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.32 : 38,916.15 = 14,817.13 : x
  2. Step 2: Convert to fraction form
    25,945.32/38,916.15 = 14,817.13/x
  3. Step 3: Cross multiply
    25,945.32x = 38,916.15 × 14,817.13
  4. Step 4: Simplify right side
    25,945.32x = 576,625,653.65
  5. Step 5: Solve for x
    x = 576,625,653.65/25,945.32
  6. Step 6: Final answer
    x = 22,224.65

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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.