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Finding the Fourth Proportional to 6,012.70, 9,012.30 and 2,894.20

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Solution

The fourth proportional to 6,012.70, 9,012.30 and 2,894.20 is: 4,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.70 : 9,012.30 = 2,894.20 : x
  2. Step 2: Convert to fraction form
    6,012.70/9,012.30 = 2,894.20/x
  3. Step 3: Cross multiply
    6,012.70x = 9,012.30 × 2,894.20
  4. Step 4: Simplify right side
    6,012.70x = 26,083,398.66
  5. Step 5: Solve for x
    x = 26,083,398.66/6,012.70
  6. Step 6: Final answer
    x = 4,338.05

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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.