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Finding the Fourth Proportional to 1,706.00, 2,354.30 and 959.91

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Solution

The fourth proportional to 1,706.00, 2,354.30 and 959.91 is: 1,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.00 : 2,354.30 = 959.91 : x
  2. Step 2: Convert to fraction form
    1,706.00/2,354.30 = 959.91/x
  3. Step 3: Cross multiply
    1,706.00x = 2,354.30 × 959.91
  4. Step 4: Simplify right side
    1,706.00x = 2,259,911.31
  5. Step 5: Solve for x
    x = 2,259,911.31/1,706.00
  6. Step 6: Final answer
    x = 1,324.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.