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Finding the Fourth Proportional to 6,662.48, 9,995.49 and 2,279.93

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Solution

The fourth proportional to 6,662.48, 9,995.49 and 2,279.93 is: 3,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.48 : 9,995.49 = 2,279.93 : x
  2. Step 2: Convert to fraction form
    6,662.48/9,995.49 = 2,279.93/x
  3. Step 3: Cross multiply
    6,662.48x = 9,995.49 × 2,279.93
  4. Step 4: Simplify right side
    6,662.48x = 22,789,017.52
  5. Step 5: Solve for x
    x = 22,789,017.52/6,662.48
  6. Step 6: Final answer
    x = 3,420.50

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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.