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Finding the Fourth Proportional to 1,600.69, 2,208.50 and 962.46

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Solution

The fourth proportional to 1,600.69, 2,208.50 and 962.46 is: 1,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.69 : 2,208.50 = 962.46 : x
  2. Step 2: Convert to fraction form
    1,600.69/2,208.50 = 962.46/x
  3. Step 3: Cross multiply
    1,600.69x = 2,208.50 × 962.46
  4. Step 4: Simplify right side
    1,600.69x = 2,125,592.91
  5. Step 5: Solve for x
    x = 2,125,592.91/1,600.69
  6. Step 6: Final answer
    x = 1,327.92

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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.