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Finding the Fourth Proportional to 2,266.61, 3,396.03 and 1,772.82

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Solution

The fourth proportional to 2,266.61, 3,396.03 and 1,772.82 is: 2,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.61 : 3,396.03 = 1,772.82 : x
  2. Step 2: Convert to fraction form
    2,266.61/3,396.03 = 1,772.82/x
  3. Step 3: Cross multiply
    2,266.61x = 3,396.03 × 1,772.82
  4. Step 4: Simplify right side
    2,266.61x = 6,020,549.90
  5. Step 5: Solve for x
    x = 6,020,549.90/2,266.61
  6. Step 6: Final answer
    x = 2,656.20

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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.