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Finding the Fourth Proportional to 6,625.55, 9,151.37 and 4,954.39

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Solution

The fourth proportional to 6,625.55, 9,151.37 and 4,954.39 is: 6,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.55 : 9,151.37 = 4,954.39 : x
  2. Step 2: Convert to fraction form
    6,625.55/9,151.37 = 4,954.39/x
  3. Step 3: Cross multiply
    6,625.55x = 9,151.37 × 4,954.39
  4. Step 4: Simplify right side
    6,625.55x = 45,339,479.84
  5. Step 5: Solve for x
    x = 45,339,479.84/6,625.55
  6. Step 6: Final answer
    x = 6,843.13

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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.