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Finding the Fourth Proportional to 3,372.32, 5,058.46 and 906.93

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Solution

The fourth proportional to 3,372.32, 5,058.46 and 906.93 is: 1,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.32 : 5,058.46 = 906.93 : x
  2. Step 2: Convert to fraction form
    3,372.32/5,058.46 = 906.93/x
  3. Step 3: Cross multiply
    3,372.32x = 5,058.46 × 906.93
  4. Step 4: Simplify right side
    3,372.32x = 4,587,669.13
  5. Step 5: Solve for x
    x = 4,587,669.13/3,372.32
  6. Step 6: Final answer
    x = 1,360.39

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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.