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Finding the Fourth Proportional to 2,799.02, 4,203.36 and 2,065.98

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Solution

The fourth proportional to 2,799.02, 4,203.36 and 2,065.98 is: 3,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.02 : 4,203.36 = 2,065.98 : x
  2. Step 2: Convert to fraction form
    2,799.02/4,203.36 = 2,065.98/x
  3. Step 3: Cross multiply
    2,799.02x = 4,203.36 × 2,065.98
  4. Step 4: Simplify right side
    2,799.02x = 8,684,057.69
  5. Step 5: Solve for x
    x = 8,684,057.69/2,799.02
  6. Step 6: Final answer
    x = 3,102.54

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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.