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Finding the Fourth Proportional to 4,801.26, 7,203.10 and 1,338.50

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Solution

The fourth proportional to 4,801.26, 7,203.10 and 1,338.50 is: 2,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.26 : 7,203.10 = 1,338.50 : x
  2. Step 2: Convert to fraction form
    4,801.26/7,203.10 = 1,338.50/x
  3. Step 3: Cross multiply
    4,801.26x = 7,203.10 × 1,338.50
  4. Step 4: Simplify right side
    4,801.26x = 9,641,349.35
  5. Step 5: Solve for x
    x = 9,641,349.35/4,801.26
  6. Step 6: Final answer
    x = 2,008.09

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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.