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Finding the Fourth Proportional to 11,888.87, 17,834.13 and 3,568.55

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Solution

The fourth proportional to 11,888.87, 17,834.13 and 3,568.55 is: 5,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.87 : 17,834.13 = 3,568.55 : x
  2. Step 2: Convert to fraction form
    11,888.87/17,834.13 = 3,568.55/x
  3. Step 3: Cross multiply
    11,888.87x = 17,834.13 × 3,568.55
  4. Step 4: Simplify right side
    11,888.87x = 63,641,895.44
  5. Step 5: Solve for x
    x = 63,641,895.44/11,888.87
  6. Step 6: Final answer
    x = 5,353.07

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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.