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Finding the Fourth Proportional to 2,073.36, 3,110.03 and 612.52

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Solution

The fourth proportional to 2,073.36, 3,110.03 and 612.52 is: 918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.36 : 3,110.03 = 612.52 : x
  2. Step 2: Convert to fraction form
    2,073.36/3,110.03 = 612.52/x
  3. Step 3: Cross multiply
    2,073.36x = 3,110.03 × 612.52
  4. Step 4: Simplify right side
    2,073.36x = 1,904,955.58
  5. Step 5: Solve for x
    x = 1,904,955.58/2,073.36
  6. Step 6: Final answer
    x = 918.78

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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.