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Finding the Fourth Proportional to 2,249.02, 3,373.71 and 788.14

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Solution

The fourth proportional to 2,249.02, 3,373.71 and 788.14 is: 1,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.02 : 3,373.71 = 788.14 : x
  2. Step 2: Convert to fraction form
    2,249.02/3,373.71 = 788.14/x
  3. Step 3: Cross multiply
    2,249.02x = 3,373.71 × 788.14
  4. Step 4: Simplify right side
    2,249.02x = 2,658,955.80
  5. Step 5: Solve for x
    x = 2,658,955.80/2,249.02
  6. Step 6: Final answer
    x = 1,182.27

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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.