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Finding the Fourth Proportional to 4,805.58, 7,216.62 and 2,618.58

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Solution

The fourth proportional to 4,805.58, 7,216.62 and 2,618.58 is: 3,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.58 : 7,216.62 = 2,618.58 : x
  2. Step 2: Convert to fraction form
    4,805.58/7,216.62 = 2,618.58/x
  3. Step 3: Cross multiply
    4,805.58x = 7,216.62 × 2,618.58
  4. Step 4: Simplify right side
    4,805.58x = 18,897,296.80
  5. Step 5: Solve for x
    x = 18,897,296.80/4,805.58
  6. Step 6: Final answer
    x = 3,932.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.