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Finding the Fourth Proportional to 8,333.54, 12,500.28 and 3,338.15

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Solution

The fourth proportional to 8,333.54, 12,500.28 and 3,338.15 is: 5,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.54 : 12,500.28 = 3,338.15 : x
  2. Step 2: Convert to fraction form
    8,333.54/12,500.28 = 3,338.15/x
  3. Step 3: Cross multiply
    8,333.54x = 12,500.28 × 3,338.15
  4. Step 4: Simplify right side
    8,333.54x = 41,727,840.93
  5. Step 5: Solve for x
    x = 41,727,840.93/8,333.54
  6. Step 6: Final answer
    x = 5,007.22

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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.