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Finding the Fourth Proportional to 13,269, 19,907.10 and 4,035

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Solution

The fourth proportional to 13,269, 19,907.10 and 4,035 is: 6,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269 : 19,907.10 = 4,035 : x
  2. Step 2: Convert to fraction form
    13,269/19,907.10 = 4,035/x
  3. Step 3: Cross multiply
    13,269x = 19,907.10 × 4,035
  4. Step 4: Simplify right side
    13,269x = 80,325,148.50
  5. Step 5: Solve for x
    x = 80,325,148.50/13,269
  6. Step 6: Final answer
    x = 6,053.59

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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.