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Finding the Fourth Proportional to 1,887.54, 2,832.17 and 962.62

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Solution

The fourth proportional to 1,887.54, 2,832.17 and 962.62 is: 1,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.54 : 2,832.17 = 962.62 : x
  2. Step 2: Convert to fraction form
    1,887.54/2,832.17 = 962.62/x
  3. Step 3: Cross multiply
    1,887.54x = 2,832.17 × 962.62
  4. Step 4: Simplify right side
    1,887.54x = 2,726,291.59
  5. Step 5: Solve for x
    x = 2,726,291.59/1,887.54
  6. Step 6: Final answer
    x = 1,444.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.