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Finding the Fourth Proportional to 2,266.69, 3,400.56 and 706.61

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Solution

The fourth proportional to 2,266.69, 3,400.56 and 706.61 is: 1,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.69 : 3,400.56 = 706.61 : x
  2. Step 2: Convert to fraction form
    2,266.69/3,400.56 = 706.61/x
  3. Step 3: Cross multiply
    2,266.69x = 3,400.56 × 706.61
  4. Step 4: Simplify right side
    2,266.69x = 2,402,869.70
  5. Step 5: Solve for x
    x = 2,402,869.70/2,266.69
  6. Step 6: Final answer
    x = 1,060.08

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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.