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Finding the Fourth Proportional to 2,933.64, 4,398.03 and 1,372.87

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Solution

The fourth proportional to 2,933.64, 4,398.03 and 1,372.87 is: 2,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.64 : 4,398.03 = 1,372.87 : x
  2. Step 2: Convert to fraction form
    2,933.64/4,398.03 = 1,372.87/x
  3. Step 3: Cross multiply
    2,933.64x = 4,398.03 × 1,372.87
  4. Step 4: Simplify right side
    2,933.64x = 6,037,923.45
  5. Step 5: Solve for x
    x = 6,037,923.45/2,933.64
  6. Step 6: Final answer
    x = 2,058.17

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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.