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Finding the Fourth Proportional to 4,888.26, 6,791.03 and 4,842.78

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Solution

The fourth proportional to 4,888.26, 6,791.03 and 4,842.78 is: 6,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.26 : 6,791.03 = 4,842.78 : x
  2. Step 2: Convert to fraction form
    4,888.26/6,791.03 = 4,842.78/x
  3. Step 3: Cross multiply
    4,888.26x = 6,791.03 × 4,842.78
  4. Step 4: Simplify right side
    4,888.26x = 32,887,440.05
  5. Step 5: Solve for x
    x = 32,887,440.05/4,888.26
  6. Step 6: Final answer
    x = 6,727.84

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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.