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Finding the Fourth Proportional to 4,578.08, 6,867.11 and 1,655.19

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Solution

The fourth proportional to 4,578.08, 6,867.11 and 1,655.19 is: 2,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.08 : 6,867.11 = 1,655.19 : x
  2. Step 2: Convert to fraction form
    4,578.08/6,867.11 = 1,655.19/x
  3. Step 3: Cross multiply
    4,578.08x = 6,867.11 × 1,655.19
  4. Step 4: Simplify right side
    4,578.08x = 11,366,375.94
  5. Step 5: Solve for x
    x = 11,366,375.94/4,578.08
  6. Step 6: Final answer
    x = 2,482.79

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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.