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Finding the Fourth Proportional to 3,338, 5,007.27 and 1,029.50

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Solution

The fourth proportional to 3,338, 5,007.27 and 1,029.50 is: 1,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338 : 5,007.27 = 1,029.50 : x
  2. Step 2: Convert to fraction form
    3,338/5,007.27 = 1,029.50/x
  3. Step 3: Cross multiply
    3,338x = 5,007.27 × 1,029.50
  4. Step 4: Simplify right side
    3,338x = 5,154,984.47
  5. Step 5: Solve for x
    x = 5,154,984.47/3,338
  6. Step 6: Final answer
    x = 1,544.33

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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.