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Finding the Fourth Proportional to 2,041.93, 3,063.30 and 655.16

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Solution

The fourth proportional to 2,041.93, 3,063.30 and 655.16 is: 982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.93 : 3,063.30 = 655.16 : x
  2. Step 2: Convert to fraction form
    2,041.93/3,063.30 = 655.16/x
  3. Step 3: Cross multiply
    2,041.93x = 3,063.30 × 655.16
  4. Step 4: Simplify right side
    2,041.93x = 2,006,963.54
  5. Step 5: Solve for x
    x = 2,006,963.54/2,041.93
  6. Step 6: Final answer
    x = 982.87

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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.