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Finding the Fourth Proportional to 11,888.78, 17,834.07 and 3,568.15

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Solution

The fourth proportional to 11,888.78, 17,834.07 and 3,568.15 is: 5,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.78 : 17,834.07 = 3,568.15 : x
  2. Step 2: Convert to fraction form
    11,888.78/17,834.07 = 3,568.15/x
  3. Step 3: Cross multiply
    11,888.78x = 17,834.07 × 3,568.15
  4. Step 4: Simplify right side
    11,888.78x = 63,634,672.54
  5. Step 5: Solve for x
    x = 63,634,672.54/11,888.78
  6. Step 6: Final answer
    x = 5,352.50

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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.