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Finding the Fourth Proportional to 5,479.98, 8,221.50 and 4,600.41

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Solution

The fourth proportional to 5,479.98, 8,221.50 and 4,600.41 is: 6,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.98 : 8,221.50 = 4,600.41 : x
  2. Step 2: Convert to fraction form
    5,479.98/8,221.50 = 4,600.41/x
  3. Step 3: Cross multiply
    5,479.98x = 8,221.50 × 4,600.41
  4. Step 4: Simplify right side
    5,479.98x = 37,822,270.82
  5. Step 5: Solve for x
    x = 37,822,270.82/5,479.98
  6. Step 6: Final answer
    x = 6,901.90

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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.