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Finding the Fourth Proportional to 3,012.57, 4,174.86 and 2,954.25

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Solution

The fourth proportional to 3,012.57, 4,174.86 and 2,954.25 is: 4,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.57 : 4,174.86 = 2,954.25 : x
  2. Step 2: Convert to fraction form
    3,012.57/4,174.86 = 2,954.25/x
  3. Step 3: Cross multiply
    3,012.57x = 4,174.86 × 2,954.25
  4. Step 4: Simplify right side
    3,012.57x = 12,333,580.16
  5. Step 5: Solve for x
    x = 12,333,580.16/3,012.57
  6. Step 6: Final answer
    x = 4,094.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.