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Finding the Fourth Proportional to 2,041.89, 3,063 and 655.41

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Solution

The fourth proportional to 2,041.89, 3,063 and 655.41 is: 983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.89 : 3,063 = 655.41 : x
  2. Step 2: Convert to fraction form
    2,041.89/3,063 = 655.41/x
  3. Step 3: Cross multiply
    2,041.89x = 3,063 × 655.41
  4. Step 4: Simplify right side
    2,041.89x = 2,007,520.83
  5. Step 5: Solve for x
    x = 2,007,520.83/2,041.89
  6. Step 6: Final answer
    x = 983.17

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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.