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Finding the Fourth Proportional to 3,372.56, 5,058.92 and 907.37

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Solution

The fourth proportional to 3,372.56, 5,058.92 and 907.37 is: 1,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.56 : 5,058.92 = 907.37 : x
  2. Step 2: Convert to fraction form
    3,372.56/5,058.92 = 907.37/x
  3. Step 3: Cross multiply
    3,372.56x = 5,058.92 × 907.37
  4. Step 4: Simplify right side
    3,372.56x = 4,590,327.16
  5. Step 5: Solve for x
    x = 4,590,327.16/3,372.56
  6. Step 6: Final answer
    x = 1,361.08

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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.