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Finding the Fourth Proportional to 8,868.46, 13,299.44 and 3,671.50

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Solution

The fourth proportional to 8,868.46, 13,299.44 and 3,671.50 is: 5,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.46 : 13,299.44 = 3,671.50 : x
  2. Step 2: Convert to fraction form
    8,868.46/13,299.44 = 3,671.50/x
  3. Step 3: Cross multiply
    8,868.46x = 13,299.44 × 3,671.50
  4. Step 4: Simplify right side
    8,868.46x = 48,828,893.96
  5. Step 5: Solve for x
    x = 48,828,893.96/8,868.46
  6. Step 6: Final answer
    x = 5,505.90

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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.