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Finding the Fourth Proportional to 5,677.74, 8,504.10 and 3,479.76

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Solution

The fourth proportional to 5,677.74, 8,504.10 and 3,479.76 is: 5,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.74 : 8,504.10 = 3,479.76 : x
  2. Step 2: Convert to fraction form
    5,677.74/8,504.10 = 3,479.76/x
  3. Step 3: Cross multiply
    5,677.74x = 8,504.10 × 3,479.76
  4. Step 4: Simplify right side
    5,677.74x = 29,592,227.02
  5. Step 5: Solve for x
    x = 29,592,227.02/5,677.74
  6. Step 6: Final answer
    x = 5,211.97

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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.