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Finding the Fourth Proportional to 5,868.82, 8,806.66 and 2,173.64

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Solution

The fourth proportional to 5,868.82, 8,806.66 and 2,173.64 is: 3,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.82 : 8,806.66 = 2,173.64 : x
  2. Step 2: Convert to fraction form
    5,868.82/8,806.66 = 2,173.64/x
  3. Step 3: Cross multiply
    5,868.82x = 8,806.66 × 2,173.64
  4. Step 4: Simplify right side
    5,868.82x = 19,142,458.98
  5. Step 5: Solve for x
    x = 19,142,458.98/5,868.82
  6. Step 6: Final answer
    x = 3,261.72

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1.5x scale

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.