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Finding the Fourth Proportional to 5,294.40, 7,933.20 and 4,195.92

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Solution

The fourth proportional to 5,294.40, 7,933.20 and 4,195.92 is: 6,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.40 : 7,933.20 = 4,195.92 : x
  2. Step 2: Convert to fraction form
    5,294.40/7,933.20 = 4,195.92/x
  3. Step 3: Cross multiply
    5,294.40x = 7,933.20 × 4,195.92
  4. Step 4: Simplify right side
    5,294.40x = 33,287,072.54
  5. Step 5: Solve for x
    x = 33,287,072.54/5,294.40
  6. Step 6: Final answer
    x = 6,287.22

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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.