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Finding the Fourth Proportional to 14,987.52, 22,474.08 and 7,198.56

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Solution

The fourth proportional to 14,987.52, 22,474.08 and 7,198.56 is: 10,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.52 : 22,474.08 = 7,198.56 : x
  2. Step 2: Convert to fraction form
    14,987.52/22,474.08 = 7,198.56/x
  3. Step 3: Cross multiply
    14,987.52x = 22,474.08 × 7,198.56
  4. Step 4: Simplify right side
    14,987.52x = 161,781,013.32
  5. Step 5: Solve for x
    x = 161,781,013.32/14,987.52
  6. Step 6: Final answer
    x = 10,794.38

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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.