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Finding the Fourth Proportional to 5,919.32, 8,863.84 and 5,744.16

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Solution

The fourth proportional to 5,919.32, 8,863.84 and 5,744.16 is: 8,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.32 : 8,863.84 = 5,744.16 : x
  2. Step 2: Convert to fraction form
    5,919.32/8,863.84 = 5,744.16/x
  3. Step 3: Cross multiply
    5,919.32x = 8,863.84 × 5,744.16
  4. Step 4: Simplify right side
    5,919.32x = 50,915,315.17
  5. Step 5: Solve for x
    x = 50,915,315.17/5,919.32
  6. Step 6: Final answer
    x = 8,601.55

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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.