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Finding the Fourth Proportional to 16,360.40, 24,540.60 and 8,987.60

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Solution

The fourth proportional to 16,360.40, 24,540.60 and 8,987.60 is: 13,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,360.40 : 24,540.60 = 8,987.60 : x
  2. Step 2: Convert to fraction form
    16,360.40/24,540.60 = 8,987.60/x
  3. Step 3: Cross multiply
    16,360.40x = 24,540.60 × 8,987.60
  4. Step 4: Simplify right side
    16,360.40x = 220,561,096.56
  5. Step 5: Solve for x
    x = 220,561,096.56/16,360.40
  6. Step 6: Final answer
    x = 13,481.40

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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.