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Finding the Fourth Proportional to 3,034.75, 4,189.05 and 1,792.75

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Solution

The fourth proportional to 3,034.75, 4,189.05 and 1,792.75 is: 2,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.75 : 4,189.05 = 1,792.75 : x
  2. Step 2: Convert to fraction form
    3,034.75/4,189.05 = 1,792.75/x
  3. Step 3: Cross multiply
    3,034.75x = 4,189.05 × 1,792.75
  4. Step 4: Simplify right side
    3,034.75x = 7,509,919.39
  5. Step 5: Solve for x
    x = 7,509,919.39/3,034.75
  6. Step 6: Final answer
    x = 2,474.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.