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Finding the Fourth Proportional to 25,065, 34,589.72 and 14,993.87

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Solution

The fourth proportional to 25,065, 34,589.72 and 14,993.87 is: 20,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065 : 34,589.72 = 14,993.87 : x
  2. Step 2: Convert to fraction form
    25,065/34,589.72 = 14,993.87/x
  3. Step 3: Cross multiply
    25,065x = 34,589.72 × 14,993.87
  4. Step 4: Simplify right side
    25,065x = 518,633,517.10
  5. Step 5: Solve for x
    x = 518,633,517.10/25,065
  6. Step 6: Final answer
    x = 20,691.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.