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Finding the Fourth Proportional to 15,079.56, 22,619.52 and 8,197.80

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Solution

The fourth proportional to 15,079.56, 22,619.52 and 8,197.80 is: 12,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.56 : 22,619.52 = 8,197.80 : x
  2. Step 2: Convert to fraction form
    15,079.56/22,619.52 = 8,197.80/x
  3. Step 3: Cross multiply
    15,079.56x = 22,619.52 × 8,197.80
  4. Step 4: Simplify right side
    15,079.56x = 185,430,301.06
  5. Step 5: Solve for x
    x = 185,430,301.06/15,079.56
  6. Step 6: Final answer
    x = 12,296.80

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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.