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Finding the Fourth Proportional to 962.13, 1,327.27 and 837.59

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Solution

The fourth proportional to 962.13, 1,327.27 and 837.59 is: 1,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.13 : 1,327.27 = 837.59 : x
  2. Step 2: Convert to fraction form
    962.13/1,327.27 = 837.59/x
  3. Step 3: Cross multiply
    962.13x = 1,327.27 × 837.59
  4. Step 4: Simplify right side
    962.13x = 1,111,708.08
  5. Step 5: Solve for x
    x = 1,111,708.08/962.13
  6. Step 6: Final answer
    x = 1,155.47

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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.