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Finding the Fourth Proportional to 9,325.98, 13,987.42 and 2,750.62

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Solution

The fourth proportional to 9,325.98, 13,987.42 and 2,750.62 is: 4,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.98 : 13,987.42 = 2,750.62 : x
  2. Step 2: Convert to fraction form
    9,325.98/13,987.42 = 2,750.62/x
  3. Step 3: Cross multiply
    9,325.98x = 13,987.42 × 2,750.62
  4. Step 4: Simplify right side
    9,325.98x = 38,474,077.20
  5. Step 5: Solve for x
    x = 38,474,077.20/9,325.98
  6. Step 6: Final answer
    x = 4,125.47

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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.