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Finding the Fourth Proportional to 5,299.62, 7,954.62 and 4,427.73

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Solution

The fourth proportional to 5,299.62, 7,954.62 and 4,427.73 is: 6,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.62 : 7,954.62 = 4,427.73 : x
  2. Step 2: Convert to fraction form
    5,299.62/7,954.62 = 4,427.73/x
  3. Step 3: Cross multiply
    5,299.62x = 7,954.62 × 4,427.73
  4. Step 4: Simplify right side
    5,299.62x = 35,220,909.61
  5. Step 5: Solve for x
    x = 35,220,909.61/5,299.62
  6. Step 6: Final answer
    x = 6,645.93

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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.