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Finding the Fourth Proportional to 2,674.01, 4,011.02 and 699.64

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Solution

The fourth proportional to 2,674.01, 4,011.02 and 699.64 is: 1,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.01 : 4,011.02 = 699.64 : x
  2. Step 2: Convert to fraction form
    2,674.01/4,011.02 = 699.64/x
  3. Step 3: Cross multiply
    2,674.01x = 4,011.02 × 699.64
  4. Step 4: Simplify right side
    2,674.01x = 2,806,259.13
  5. Step 5: Solve for x
    x = 2,806,259.13/2,674.01
  6. Step 6: Final answer
    x = 1,049.46

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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.