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Finding the Fourth Proportional to 2,041.98, 3,062.93 and 655.31

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Solution

The fourth proportional to 2,041.98, 3,062.93 and 655.31 is: 982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.98 : 3,062.93 = 655.31 : x
  2. Step 2: Convert to fraction form
    2,041.98/3,062.93 = 655.31/x
  3. Step 3: Cross multiply
    2,041.98x = 3,062.93 × 655.31
  4. Step 4: Simplify right side
    2,041.98x = 2,007,168.66
  5. Step 5: Solve for x
    x = 2,007,168.66/2,041.98
  6. Step 6: Final answer
    x = 982.95

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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.