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Finding the Fourth Proportional to 7,125.44, 10,689.01 and 2,968.25

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Solution

The fourth proportional to 7,125.44, 10,689.01 and 2,968.25 is: 4,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.44 : 10,689.01 = 2,968.25 : x
  2. Step 2: Convert to fraction form
    7,125.44/10,689.01 = 2,968.25/x
  3. Step 3: Cross multiply
    7,125.44x = 10,689.01 × 2,968.25
  4. Step 4: Simplify right side
    7,125.44x = 31,727,593.07
  5. Step 5: Solve for x
    x = 31,727,593.07/7,125.44
  6. Step 6: Final answer
    x = 4,452.72

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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.