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Finding the Fourth Proportional to 2,294.12, 3,440.70 and 755.08

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Solution

The fourth proportional to 2,294.12, 3,440.70 and 755.08 is: 1,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.12 : 3,440.70 = 755.08 : x
  2. Step 2: Convert to fraction form
    2,294.12/3,440.70 = 755.08/x
  3. Step 3: Cross multiply
    2,294.12x = 3,440.70 × 755.08
  4. Step 4: Simplify right side
    2,294.12x = 2,598,003.76
  5. Step 5: Solve for x
    x = 2,598,003.76/2,294.12
  6. Step 6: Final answer
    x = 1,132.46

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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.