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Finding the Fourth Proportional to 5,508.79, 8,263.22 and 1,348.83

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Solution

The fourth proportional to 5,508.79, 8,263.22 and 1,348.83 is: 2,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.79 : 8,263.22 = 1,348.83 : x
  2. Step 2: Convert to fraction form
    5,508.79/8,263.22 = 1,348.83/x
  3. Step 3: Cross multiply
    5,508.79x = 8,263.22 × 1,348.83
  4. Step 4: Simplify right side
    5,508.79x = 11,145,672.29
  5. Step 5: Solve for x
    x = 11,145,672.29/5,508.79
  6. Step 6: Final answer
    x = 2,023.25

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Double scale
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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.