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Finding the Fourth Proportional to 1,600.71, 2,208.96 and 937.91

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Solution

The fourth proportional to 1,600.71, 2,208.96 and 937.91 is: 1,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.71 : 2,208.96 = 937.91 : x
  2. Step 2: Convert to fraction form
    1,600.71/2,208.96 = 937.91/x
  3. Step 3: Cross multiply
    1,600.71x = 2,208.96 × 937.91
  4. Step 4: Simplify right side
    1,600.71x = 2,071,794.63
  5. Step 5: Solve for x
    x = 2,071,794.63/1,600.71
  6. Step 6: Final answer
    x = 1,294.30

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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.