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Finding the Fourth Proportional to 5,353.74, 8,018.97 and 4,418.82

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Solution

The fourth proportional to 5,353.74, 8,018.97 and 4,418.82 is: 6,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.74 : 8,018.97 = 4,418.82 : x
  2. Step 2: Convert to fraction form
    5,353.74/8,018.97 = 4,418.82/x
  3. Step 3: Cross multiply
    5,353.74x = 8,018.97 × 4,418.82
  4. Step 4: Simplify right side
    5,353.74x = 35,434,385.02
  5. Step 5: Solve for x
    x = 35,434,385.02/5,353.74
  6. Step 6: Final answer
    x = 6,618.62

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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.