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Finding the Fourth Proportional to 5,526.70, 8,290.05 and 1,631.10

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Solution

The fourth proportional to 5,526.70, 8,290.05 and 1,631.10 is: 2,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.70 : 8,290.05 = 1,631.10 : x
  2. Step 2: Convert to fraction form
    5,526.70/8,290.05 = 1,631.10/x
  3. Step 3: Cross multiply
    5,526.70x = 8,290.05 × 1,631.10
  4. Step 4: Simplify right side
    5,526.70x = 13,521,900.56
  5. Step 5: Solve for x
    x = 13,521,900.56/5,526.70
  6. Step 6: Final answer
    x = 2,446.65

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Similar ratio
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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.