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Finding the Fourth Proportional to 10,452.58, 15,684.99 and 3,883.39

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Solution

The fourth proportional to 10,452.58, 15,684.99 and 3,883.39 is: 5,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.58 : 15,684.99 = 3,883.39 : x
  2. Step 2: Convert to fraction form
    10,452.58/15,684.99 = 3,883.39/x
  3. Step 3: Cross multiply
    10,452.58x = 15,684.99 × 3,883.39
  4. Step 4: Simplify right side
    10,452.58x = 60,910,933.32
  5. Step 5: Solve for x
    x = 60,910,933.32/10,452.58
  6. Step 6: Final answer
    x = 5,827.36

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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.