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Finding the Fourth Proportional to 1,706.59, 2,552.91 and 1,212.97

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Solution

The fourth proportional to 1,706.59, 2,552.91 and 1,212.97 is: 1,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.59 : 2,552.91 = 1,212.97 : x
  2. Step 2: Convert to fraction form
    1,706.59/2,552.91 = 1,212.97/x
  3. Step 3: Cross multiply
    1,706.59x = 2,552.91 × 1,212.97
  4. Step 4: Simplify right side
    1,706.59x = 3,096,603.24
  5. Step 5: Solve for x
    x = 3,096,603.24/1,706.59
  6. Step 6: Final answer
    x = 1,814.50

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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.