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Finding the Fourth Proportional to 7,294.56, 10,941.84 and 2,100.42

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Solution

The fourth proportional to 7,294.56, 10,941.84 and 2,100.42 is: 3,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.56 : 10,941.84 = 2,100.42 : x
  2. Step 2: Convert to fraction form
    7,294.56/10,941.84 = 2,100.42/x
  3. Step 3: Cross multiply
    7,294.56x = 10,941.84 × 2,100.42
  4. Step 4: Simplify right side
    7,294.56x = 22,982,459.57
  5. Step 5: Solve for x
    x = 22,982,459.57/7,294.56
  6. Step 6: Final answer
    x = 3,150.63

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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.