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Finding the Fourth Proportional to 7,363.80, 11,048.22 and 3,468.42

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Solution

The fourth proportional to 7,363.80, 11,048.22 and 3,468.42 is: 5,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.80 : 11,048.22 = 3,468.42 : x
  2. Step 2: Convert to fraction form
    7,363.80/11,048.22 = 3,468.42/x
  3. Step 3: Cross multiply
    7,363.80x = 11,048.22 × 3,468.42
  4. Step 4: Simplify right side
    7,363.80x = 38,319,867.21
  5. Step 5: Solve for x
    x = 38,319,867.21/7,363.80
  6. Step 6: Final answer
    x = 5,203.82

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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.