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Finding the Fourth Proportional to 5,868.63, 8,806.34 and 2,173.45

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Solution

The fourth proportional to 5,868.63, 8,806.34 and 2,173.45 is: 3,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.63 : 8,806.34 = 2,173.45 : x
  2. Step 2: Convert to fraction form
    5,868.63/8,806.34 = 2,173.45/x
  3. Step 3: Cross multiply
    5,868.63x = 8,806.34 × 2,173.45
  4. Step 4: Simplify right side
    5,868.63x = 19,140,128.81
  5. Step 5: Solve for x
    x = 19,140,128.81/5,868.63
  6. Step 6: Final answer
    x = 3,261.43

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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.