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Finding the Fourth Proportional to 8,889.52, 13,333.92 and 2,733.52

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Solution

The fourth proportional to 8,889.52, 13,333.92 and 2,733.52 is: 4,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.52 : 13,333.92 = 2,733.52 : x
  2. Step 2: Convert to fraction form
    8,889.52/13,333.92 = 2,733.52/x
  3. Step 3: Cross multiply
    8,889.52x = 13,333.92 × 2,733.52
  4. Step 4: Simplify right side
    8,889.52x = 36,448,537.00
  5. Step 5: Solve for x
    x = 36,448,537.00/8,889.52
  6. Step 6: Final answer
    x = 4,100.17

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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.