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Finding the Fourth Proportional to 9,325.88, 13,988.81 and 3,169.88

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Solution

The fourth proportional to 9,325.88, 13,988.81 and 3,169.88 is: 4,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.88 : 13,988.81 = 3,169.88 : x
  2. Step 2: Convert to fraction form
    9,325.88/13,988.81 = 3,169.88/x
  3. Step 3: Cross multiply
    9,325.88x = 13,988.81 × 3,169.88
  4. Step 4: Simplify right side
    9,325.88x = 44,342,787.02
  5. Step 5: Solve for x
    x = 44,342,787.02/9,325.88
  6. Step 6: Final answer
    x = 4,754.81

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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.