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Finding the Fourth Proportional to 2,135.93, 3,204.32 and 903.33

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Solution

The fourth proportional to 2,135.93, 3,204.32 and 903.33 is: 1,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.93 : 3,204.32 = 903.33 : x
  2. Step 2: Convert to fraction form
    2,135.93/3,204.32 = 903.33/x
  3. Step 3: Cross multiply
    2,135.93x = 3,204.32 × 903.33
  4. Step 4: Simplify right side
    2,135.93x = 2,894,553.87
  5. Step 5: Solve for x
    x = 2,894,553.87/2,135.93
  6. Step 6: Final answer
    x = 1,355.18

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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.