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Finding the Fourth Proportional to 8,799.84, 13,201.79 and 2,956.46

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Solution

The fourth proportional to 8,799.84, 13,201.79 and 2,956.46 is: 4,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.84 : 13,201.79 = 2,956.46 : x
  2. Step 2: Convert to fraction form
    8,799.84/13,201.79 = 2,956.46/x
  3. Step 3: Cross multiply
    8,799.84x = 13,201.79 × 2,956.46
  4. Step 4: Simplify right side
    8,799.84x = 39,030,483.27
  5. Step 5: Solve for x
    x = 39,030,483.27/8,799.84
  6. Step 6: Final answer
    x = 4,435.36

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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.