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Finding the Fourth Proportional to 4,599.87, 6,899.41 and 1,479.05

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Solution

The fourth proportional to 4,599.87, 6,899.41 and 1,479.05 is: 2,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,599.87 : 6,899.41 = 1,479.05 : x
  2. Step 2: Convert to fraction form
    4,599.87/6,899.41 = 1,479.05/x
  3. Step 3: Cross multiply
    4,599.87x = 6,899.41 × 1,479.05
  4. Step 4: Simplify right side
    4,599.87x = 10,204,572.36
  5. Step 5: Solve for x
    x = 10,204,572.36/4,599.87
  6. Step 6: Final answer
    x = 2,218.45

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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.