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Finding the Fourth Proportional to 4,879.33, 7,319 and 2,284.09

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Solution

The fourth proportional to 4,879.33, 7,319 and 2,284.09 is: 3,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.33 : 7,319 = 2,284.09 : x
  2. Step 2: Convert to fraction form
    4,879.33/7,319 = 2,284.09/x
  3. Step 3: Cross multiply
    4,879.33x = 7,319 × 2,284.09
  4. Step 4: Simplify right side
    4,879.33x = 16,717,254.71
  5. Step 5: Solve for x
    x = 16,717,254.71/4,879.33
  6. Step 6: Final answer
    x = 3,426.14

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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.