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Finding the Fourth Proportional to 8,333.52, 12,500.28 and 5,274.96

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Solution

The fourth proportional to 8,333.52, 12,500.28 and 5,274.96 is: 7,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.52 : 12,500.28 = 5,274.96 : x
  2. Step 2: Convert to fraction form
    8,333.52/12,500.28 = 5,274.96/x
  3. Step 3: Cross multiply
    8,333.52x = 12,500.28 × 5,274.96
  4. Step 4: Simplify right side
    8,333.52x = 65,938,476.99
  5. Step 5: Solve for x
    x = 65,938,476.99/8,333.52
  6. Step 6: Final answer
    x = 7,912.44

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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.