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Finding the Fourth Proportional to 7,199.64, 10,799.10 and 2,005.56

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Solution

The fourth proportional to 7,199.64, 10,799.10 and 2,005.56 is: 3,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.64 : 10,799.10 = 2,005.56 : x
  2. Step 2: Convert to fraction form
    7,199.64/10,799.10 = 2,005.56/x
  3. Step 3: Cross multiply
    7,199.64x = 10,799.10 × 2,005.56
  4. Step 4: Simplify right side
    7,199.64x = 21,658,243.00
  5. Step 5: Solve for x
    x = 21,658,243.00/7,199.64
  6. Step 6: Final answer
    x = 3,008.24

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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.