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Finding the Fourth Proportional to 7,382.46, 11,073.69 and 3,487.26

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Solution

The fourth proportional to 7,382.46, 11,073.69 and 3,487.26 is: 5,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.46 : 11,073.69 = 3,487.26 : x
  2. Step 2: Convert to fraction form
    7,382.46/11,073.69 = 3,487.26/x
  3. Step 3: Cross multiply
    7,382.46x = 11,073.69 × 3,487.26
  4. Step 4: Simplify right side
    7,382.46x = 38,616,836.19
  5. Step 5: Solve for x
    x = 38,616,836.19/7,382.46
  6. Step 6: Final answer
    x = 5,230.89

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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.