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Finding the Fourth Proportional to 5,868.40, 8,806.02 and 2,173.24

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Solution

The fourth proportional to 5,868.40, 8,806.02 and 2,173.24 is: 3,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.40 : 8,806.02 = 2,173.24 : x
  2. Step 2: Convert to fraction form
    5,868.40/8,806.02 = 2,173.24/x
  3. Step 3: Cross multiply
    5,868.40x = 8,806.02 × 2,173.24
  4. Step 4: Simplify right side
    5,868.40x = 19,137,594.90
  5. Step 5: Solve for x
    x = 19,137,594.90/5,868.40
  6. Step 6: Final answer
    x = 3,261.13

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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.