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Finding the Fourth Proportional to 4,599.65, 6,899.31 and 1,479.86

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Solution

The fourth proportional to 4,599.65, 6,899.31 and 1,479.86 is: 2,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,599.65 : 6,899.31 = 1,479.86 : x
  2. Step 2: Convert to fraction form
    4,599.65/6,899.31 = 1,479.86/x
  3. Step 3: Cross multiply
    4,599.65x = 6,899.31 × 1,479.86
  4. Step 4: Simplify right side
    4,599.65x = 10,210,043.08
  5. Step 5: Solve for x
    x = 10,210,043.08/4,599.65
  6. Step 6: Final answer
    x = 2,219.74

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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.