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Finding the Fourth Proportional to 25,114.92, 34,659.68 and 15,045

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Solution

The fourth proportional to 25,114.92, 34,659.68 and 15,045 is: 20,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,114.92 : 34,659.68 = 15,045 : x
  2. Step 2: Convert to fraction form
    25,114.92/34,659.68 = 15,045/x
  3. Step 3: Cross multiply
    25,114.92x = 34,659.68 × 15,045
  4. Step 4: Simplify right side
    25,114.92x = 521,454,810.38
  5. Step 5: Solve for x
    x = 521,454,810.38/25,114.92
  6. Step 6: Final answer
    x = 20,762.75

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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.