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Finding the Fourth Proportional to 2,266.77, 3,398.77 and 2,073.40

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Solution

The fourth proportional to 2,266.77, 3,398.77 and 2,073.40 is: 3,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.77 : 3,398.77 = 2,073.40 : x
  2. Step 2: Convert to fraction form
    2,266.77/3,398.77 = 2,073.40/x
  3. Step 3: Cross multiply
    2,266.77x = 3,398.77 × 2,073.40
  4. Step 4: Simplify right side
    2,266.77x = 7,047,009.72
  5. Step 5: Solve for x
    x = 7,047,009.72/2,266.77
  6. Step 6: Final answer
    x = 3,108.83

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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.