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Finding the Fourth Proportional to 5,979.87, 8,969.09 and 3,482.46

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Solution

The fourth proportional to 5,979.87, 8,969.09 and 3,482.46 is: 5,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.87 : 8,969.09 = 3,482.46 : x
  2. Step 2: Convert to fraction form
    5,979.87/8,969.09 = 3,482.46/x
  3. Step 3: Cross multiply
    5,979.87x = 8,969.09 × 3,482.46
  4. Step 4: Simplify right side
    5,979.87x = 31,234,479.75
  5. Step 5: Solve for x
    x = 31,234,479.75/5,979.87
  6. Step 6: Final answer
    x = 5,223.27

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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.