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Finding the Fourth Proportional to 4,952.62, 7,430.10 and 2,179.90

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Solution

The fourth proportional to 4,952.62, 7,430.10 and 2,179.90 is: 3,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.62 : 7,430.10 = 2,179.90 : x
  2. Step 2: Convert to fraction form
    4,952.62/7,430.10 = 2,179.90/x
  3. Step 3: Cross multiply
    4,952.62x = 7,430.10 × 2,179.90
  4. Step 4: Simplify right side
    4,952.62x = 16,196,874.99
  5. Step 5: Solve for x
    x = 16,196,874.99/4,952.62
  6. Step 6: Final answer
    x = 3,270.36

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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.