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Finding the Fourth Proportional to 7,331.95, 10,998.43 and 2,949.42

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Solution

The fourth proportional to 7,331.95, 10,998.43 and 2,949.42 is: 4,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.95 : 10,998.43 = 2,949.42 : x
  2. Step 2: Convert to fraction form
    7,331.95/10,998.43 = 2,949.42/x
  3. Step 3: Cross multiply
    7,331.95x = 10,998.43 × 2,949.42
  4. Step 4: Simplify right side
    7,331.95x = 32,438,989.41
  5. Step 5: Solve for x
    x = 32,438,989.41/7,331.95
  6. Step 6: Final answer
    x = 4,424.34

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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.