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Finding the Fourth Proportional to 4,503.75, 6,756.71 and 1,425.75

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Solution

The fourth proportional to 4,503.75, 6,756.71 and 1,425.75 is: 2,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.75 : 6,756.71 = 1,425.75 : x
  2. Step 2: Convert to fraction form
    4,503.75/6,756.71 = 1,425.75/x
  3. Step 3: Cross multiply
    4,503.75x = 6,756.71 × 1,425.75
  4. Step 4: Simplify right side
    4,503.75x = 9,633,372.15
  5. Step 5: Solve for x
    x = 9,633,372.15/4,503.75
  6. Step 6: Final answer
    x = 2,138.97

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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.