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Finding the Fourth Proportional to 5,500.92, 8,253.27 and 1,605.90

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Solution

The fourth proportional to 5,500.92, 8,253.27 and 1,605.90 is: 2,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.92 : 8,253.27 = 1,605.90 : x
  2. Step 2: Convert to fraction form
    5,500.92/8,253.27 = 1,605.90/x
  3. Step 3: Cross multiply
    5,500.92x = 8,253.27 × 1,605.90
  4. Step 4: Simplify right side
    5,500.92x = 13,253,926.29
  5. Step 5: Solve for x
    x = 13,253,926.29/5,500.92
  6. Step 6: Final answer
    x = 2,409.40

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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.