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Finding the Fourth Proportional to 3,338.35, 5,007.42 and 1,877.51

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Solution

The fourth proportional to 3,338.35, 5,007.42 and 1,877.51 is: 2,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.35 : 5,007.42 = 1,877.51 : x
  2. Step 2: Convert to fraction form
    3,338.35/5,007.42 = 1,877.51/x
  3. Step 3: Cross multiply
    3,338.35x = 5,007.42 × 1,877.51
  4. Step 4: Simplify right side
    3,338.35x = 9,401,493.64
  5. Step 5: Solve for x
    x = 9,401,493.64/3,338.35
  6. Step 6: Final answer
    x = 2,816.21

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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.