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Finding the Fourth Proportional to 4,672.59, 7,002.65 and 2,208.06

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Solution

The fourth proportional to 4,672.59, 7,002.65 and 2,208.06 is: 3,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.59 : 7,002.65 = 2,208.06 : x
  2. Step 2: Convert to fraction form
    4,672.59/7,002.65 = 2,208.06/x
  3. Step 3: Cross multiply
    4,672.59x = 7,002.65 × 2,208.06
  4. Step 4: Simplify right side
    4,672.59x = 15,462,276.88
  5. Step 5: Solve for x
    x = 15,462,276.88/4,672.59
  6. Step 6: Final answer
    x = 3,309.15

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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.