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Finding the Fourth Proportional to 4,998.31, 7,496.16 and 1,487.38

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Solution

The fourth proportional to 4,998.31, 7,496.16 and 1,487.38 is: 2,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.31 : 7,496.16 = 1,487.38 : x
  2. Step 2: Convert to fraction form
    4,998.31/7,496.16 = 1,487.38/x
  3. Step 3: Cross multiply
    4,998.31x = 7,496.16 × 1,487.38
  4. Step 4: Simplify right side
    4,998.31x = 11,149,593.54
  5. Step 5: Solve for x
    x = 11,149,593.54/4,998.31
  6. Step 6: Final answer
    x = 2,230.67

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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.