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Finding the Fourth Proportional to 1,706.35, 2,354.24 and 1,042.49

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Solution

The fourth proportional to 1,706.35, 2,354.24 and 1,042.49 is: 1,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.35 : 2,354.24 = 1,042.49 : x
  2. Step 2: Convert to fraction form
    1,706.35/2,354.24 = 1,042.49/x
  3. Step 3: Cross multiply
    1,706.35x = 2,354.24 × 1,042.49
  4. Step 4: Simplify right side
    1,706.35x = 2,454,266.45
  5. Step 5: Solve for x
    x = 2,454,266.45/1,706.35
  6. Step 6: Final answer
    x = 1,438.32

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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.