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Finding the Fourth Proportional to 2,394.15, 3,591.42 and 750.25

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Solution

The fourth proportional to 2,394.15, 3,591.42 and 750.25 is: 1,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.15 : 3,591.42 = 750.25 : x
  2. Step 2: Convert to fraction form
    2,394.15/3,591.42 = 750.25/x
  3. Step 3: Cross multiply
    2,394.15x = 3,591.42 × 750.25
  4. Step 4: Simplify right side
    2,394.15x = 2,694,462.86
  5. Step 5: Solve for x
    x = 2,694,462.86/2,394.15
  6. Step 6: Final answer
    x = 1,125.44

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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.