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Finding the Fourth Proportional to 8,799.73, 13,200.87 and 2,558.93

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Solution

The fourth proportional to 8,799.73, 13,200.87 and 2,558.93 is: 3,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.73 : 13,200.87 = 2,558.93 : x
  2. Step 2: Convert to fraction form
    8,799.73/13,200.87 = 2,558.93/x
  3. Step 3: Cross multiply
    8,799.73x = 13,200.87 × 2,558.93
  4. Step 4: Simplify right side
    8,799.73x = 33,780,101.55
  5. Step 5: Solve for x
    x = 33,780,101.55/8,799.73
  6. Step 6: Final answer
    x = 3,838.77

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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.