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Finding the Fourth Proportional to 6,218.98, 8,585.36 and 4,799.48

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Solution

The fourth proportional to 6,218.98, 8,585.36 and 4,799.48 is: 6,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.98 : 8,585.36 = 4,799.48 : x
  2. Step 2: Convert to fraction form
    6,218.98/8,585.36 = 4,799.48/x
  3. Step 3: Cross multiply
    6,218.98x = 8,585.36 × 4,799.48
  4. Step 4: Simplify right side
    6,218.98x = 41,205,220.69
  5. Step 5: Solve for x
    x = 41,205,220.69/6,218.98
  6. Step 6: Final answer
    x = 6,625.72

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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.