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Finding the Fourth Proportional to 11,888.90, 17,833.44 and 3,568.98

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Solution

The fourth proportional to 11,888.90, 17,833.44 and 3,568.98 is: 5,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.90 : 17,833.44 = 3,568.98 : x
  2. Step 2: Convert to fraction form
    11,888.90/17,833.44 = 3,568.98/x
  3. Step 3: Cross multiply
    11,888.90x = 17,833.44 × 3,568.98
  4. Step 4: Simplify right side
    11,888.90x = 63,647,190.69
  5. Step 5: Solve for x
    x = 63,647,190.69/11,888.90
  6. Step 6: Final answer
    x = 5,353.50

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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.