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Finding the Fourth Proportional to 11,060.20, 16,615.90 and 7,604.20

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Solution

The fourth proportional to 11,060.20, 16,615.90 and 7,604.20 is: 11,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.20 : 16,615.90 = 7,604.20 : x
  2. Step 2: Convert to fraction form
    11,060.20/16,615.90 = 7,604.20/x
  3. Step 3: Cross multiply
    11,060.20x = 16,615.90 × 7,604.20
  4. Step 4: Simplify right side
    11,060.20x = 126,350,626.78
  5. Step 5: Solve for x
    x = 126,350,626.78/11,060.20
  6. Step 6: Final answer
    x = 11,423.90

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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.