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Finding the Fourth Proportional to 5,878.21, 8,815.09 and 2,367.02

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Solution

The fourth proportional to 5,878.21, 8,815.09 and 2,367.02 is: 3,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.21 : 8,815.09 = 2,367.02 : x
  2. Step 2: Convert to fraction form
    5,878.21/8,815.09 = 2,367.02/x
  3. Step 3: Cross multiply
    5,878.21x = 8,815.09 × 2,367.02
  4. Step 4: Simplify right side
    5,878.21x = 20,865,510.45
  5. Step 5: Solve for x
    x = 20,865,510.45/5,878.21
  6. Step 6: Final answer
    x = 3,549.64

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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.