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Finding the Fourth Proportional to 6,763.48, 9,339.54 and 4,249.95

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Solution

The fourth proportional to 6,763.48, 9,339.54 and 4,249.95 is: 5,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.48 : 9,339.54 = 4,249.95 : x
  2. Step 2: Convert to fraction form
    6,763.48/9,339.54 = 4,249.95/x
  3. Step 3: Cross multiply
    6,763.48x = 9,339.54 × 4,249.95
  4. Step 4: Simplify right side
    6,763.48x = 39,692,531.33
  5. Step 5: Solve for x
    x = 39,692,531.33/6,763.48
  6. Step 6: Final answer
    x = 5,868.66

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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.