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Finding the Fourth Proportional to 3,025.36, 4,537.86 and 834.40

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Solution

The fourth proportional to 3,025.36, 4,537.86 and 834.40 is: 1,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.36 : 4,537.86 = 834.40 : x
  2. Step 2: Convert to fraction form
    3,025.36/4,537.86 = 834.40/x
  3. Step 3: Cross multiply
    3,025.36x = 4,537.86 × 834.40
  4. Step 4: Simplify right side
    3,025.36x = 3,786,390.38
  5. Step 5: Solve for x
    x = 3,786,390.38/3,025.36
  6. Step 6: Final answer
    x = 1,251.55

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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.