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Finding the Fourth Proportional to 17,012.25, 25,454.25 and 15,285.69

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Solution

The fourth proportional to 17,012.25, 25,454.25 and 15,285.69 is: 22,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.25 : 25,454.25 = 15,285.69 : x
  2. Step 2: Convert to fraction form
    17,012.25/25,454.25 = 15,285.69/x
  3. Step 3: Cross multiply
    17,012.25x = 25,454.25 × 15,285.69
  4. Step 4: Simplify right side
    17,012.25x = 389,085,774.68
  5. Step 5: Solve for x
    x = 389,085,774.68/17,012.25
  6. Step 6: Final answer
    x = 22,870.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.