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Finding the Fourth Proportional to 1,331.03, 1,837.04 and 959.24

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Solution

The fourth proportional to 1,331.03, 1,837.04 and 959.24 is: 1,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.03 : 1,837.04 = 959.24 : x
  2. Step 2: Convert to fraction form
    1,331.03/1,837.04 = 959.24/x
  3. Step 3: Cross multiply
    1,331.03x = 1,837.04 × 959.24
  4. Step 4: Simplify right side
    1,331.03x = 1,762,157.45
  5. Step 5: Solve for x
    x = 1,762,157.45/1,331.03
  6. Step 6: Final answer
    x = 1,323.91

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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.