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Finding the Fourth Proportional to 1,998.79, 2,995.49 and 1,444.46

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Solution

The fourth proportional to 1,998.79, 2,995.49 and 1,444.46 is: 2,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.79 : 2,995.49 = 1,444.46 : x
  2. Step 2: Convert to fraction form
    1,998.79/2,995.49 = 1,444.46/x
  3. Step 3: Cross multiply
    1,998.79x = 2,995.49 × 1,444.46
  4. Step 4: Simplify right side
    1,998.79x = 4,326,854.12
  5. Step 5: Solve for x
    x = 4,326,854.12/1,998.79
  6. Step 6: Final answer
    x = 2,164.74

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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.