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Finding the Fourth Proportional to 8,799.51, 13,200.74 and 3,252.87

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Solution

The fourth proportional to 8,799.51, 13,200.74 and 3,252.87 is: 4,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.51 : 13,200.74 = 3,252.87 : x
  2. Step 2: Convert to fraction form
    8,799.51/13,200.74 = 3,252.87/x
  3. Step 3: Cross multiply
    8,799.51x = 13,200.74 × 3,252.87
  4. Step 4: Simplify right side
    8,799.51x = 42,940,274.86
  5. Step 5: Solve for x
    x = 42,940,274.86/8,799.51
  6. Step 6: Final answer
    x = 4,879.85

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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.