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Finding the Fourth Proportional to 4,743.75, 7,115.75 and 1,233.68

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Solution

The fourth proportional to 4,743.75, 7,115.75 and 1,233.68 is: 1,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.75 : 7,115.75 = 1,233.68 : x
  2. Step 2: Convert to fraction form
    4,743.75/7,115.75 = 1,233.68/x
  3. Step 3: Cross multiply
    4,743.75x = 7,115.75 × 1,233.68
  4. Step 4: Simplify right side
    4,743.75x = 8,778,558.46
  5. Step 5: Solve for x
    x = 8,778,558.46/4,743.75
  6. Step 6: Final answer
    x = 1,850.55

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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.