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Finding the Fourth Proportional to 4,888.98, 6,747.15 and 2,793.06

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Solution

The fourth proportional to 4,888.98, 6,747.15 and 2,793.06 is: 3,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.98 : 6,747.15 = 2,793.06 : x
  2. Step 2: Convert to fraction form
    4,888.98/6,747.15 = 2,793.06/x
  3. Step 3: Cross multiply
    4,888.98x = 6,747.15 × 2,793.06
  4. Step 4: Simplify right side
    4,888.98x = 18,845,194.78
  5. Step 5: Solve for x
    x = 18,845,194.78/4,888.98
  6. Step 6: Final answer
    x = 3,854.63

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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.