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Finding the Fourth Proportional to 2,479.62, 3,421.50 and 1,596.62

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Solution

The fourth proportional to 2,479.62, 3,421.50 and 1,596.62 is: 2,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.62 : 3,421.50 = 1,596.62 : x
  2. Step 2: Convert to fraction form
    2,479.62/3,421.50 = 1,596.62/x
  3. Step 3: Cross multiply
    2,479.62x = 3,421.50 × 1,596.62
  4. Step 4: Simplify right side
    2,479.62x = 5,462,839.32
  5. Step 5: Solve for x
    x = 5,462,839.32/2,479.62
  6. Step 6: Final answer
    x = 2,203.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.