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Finding the Fourth Proportional to 15,246.90, 22,825.80 and 10,872.90

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Solution

The fourth proportional to 15,246.90, 22,825.80 and 10,872.90 is: 16,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.90 : 22,825.80 = 10,872.90 : x
  2. Step 2: Convert to fraction form
    15,246.90/22,825.80 = 10,872.90/x
  3. Step 3: Cross multiply
    15,246.90x = 22,825.80 × 10,872.90
  4. Step 4: Simplify right side
    15,246.90x = 248,182,640.82
  5. Step 5: Solve for x
    x = 248,182,640.82/15,246.90
  6. Step 6: Final answer
    x = 16,277.58

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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.