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Finding the Fourth Proportional to 2,003.36, 3,003.89 and 616.32

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Solution

The fourth proportional to 2,003.36, 3,003.89 and 616.32 is: 924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.36 : 3,003.89 = 616.32 : x
  2. Step 2: Convert to fraction form
    2,003.36/3,003.89 = 616.32/x
  3. Step 3: Cross multiply
    2,003.36x = 3,003.89 × 616.32
  4. Step 4: Simplify right side
    2,003.36x = 1,851,354.40
  5. Step 5: Solve for x
    x = 1,851,354.40/2,003.36
  6. Step 6: Final answer
    x = 924.13

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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.