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Finding the Fourth Proportional to 4,599.75, 6,899.67 and 1,479.81

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Solution

The fourth proportional to 4,599.75, 6,899.67 and 1,479.81 is: 2,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,599.75 : 6,899.67 = 1,479.81 : x
  2. Step 2: Convert to fraction form
    4,599.75/6,899.67 = 1,479.81/x
  3. Step 3: Cross multiply
    4,599.75x = 6,899.67 × 1,479.81
  4. Step 4: Simplify right side
    4,599.75x = 10,210,200.66
  5. Step 5: Solve for x
    x = 10,210,200.66/4,599.75
  6. Step 6: Final answer
    x = 2,219.73

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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.