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Finding the Fourth Proportional to 2,229, 3,343.38 and 1,058.14

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Solution

The fourth proportional to 2,229, 3,343.38 and 1,058.14 is: 1,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229 : 3,343.38 = 1,058.14 : x
  2. Step 2: Convert to fraction form
    2,229/3,343.38 = 1,058.14/x
  3. Step 3: Cross multiply
    2,229x = 3,343.38 × 1,058.14
  4. Step 4: Simplify right side
    2,229x = 3,537,764.11
  5. Step 5: Solve for x
    x = 3,537,764.11/2,229
  6. Step 6: Final answer
    x = 1,587.15

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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.