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Finding the Fourth Proportional to 2,988.42, 4,482.32 and 797.37

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Solution

The fourth proportional to 2,988.42, 4,482.32 and 797.37 is: 1,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.42 : 4,482.32 = 797.37 : x
  2. Step 2: Convert to fraction form
    2,988.42/4,482.32 = 797.37/x
  3. Step 3: Cross multiply
    2,988.42x = 4,482.32 × 797.37
  4. Step 4: Simplify right side
    2,988.42x = 3,574,067.50
  5. Step 5: Solve for x
    x = 3,574,067.50/2,988.42
  6. Step 6: Final answer
    x = 1,195.97

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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.