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Finding the Fourth Proportional to 2,792.97, 4,162.50 and 2,770.02

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Solution

The fourth proportional to 2,792.97, 4,162.50 and 2,770.02 is: 4,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.97 : 4,162.50 = 2,770.02 : x
  2. Step 2: Convert to fraction form
    2,792.97/4,162.50 = 2,770.02/x
  3. Step 3: Cross multiply
    2,792.97x = 4,162.50 × 2,770.02
  4. Step 4: Simplify right side
    2,792.97x = 11,530,208.25
  5. Step 5: Solve for x
    x = 11,530,208.25/2,792.97
  6. Step 6: Final answer
    x = 4,128.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.