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Finding the Fourth Proportional to 5,865.65, 8,792.09 and 2,164.76

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Solution

The fourth proportional to 5,865.65, 8,792.09 and 2,164.76 is: 3,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.65 : 8,792.09 = 2,164.76 : x
  2. Step 2: Convert to fraction form
    5,865.65/8,792.09 = 2,164.76/x
  3. Step 3: Cross multiply
    5,865.65x = 8,792.09 × 2,164.76
  4. Step 4: Simplify right side
    5,865.65x = 19,032,764.75
  5. Step 5: Solve for x
    x = 19,032,764.75/5,865.65
  6. Step 6: Final answer
    x = 3,244.78

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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.