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Finding the Fourth Proportional to 5,768.55, 8,646.95 and 2,646.41

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Solution

The fourth proportional to 5,768.55, 8,646.95 and 2,646.41 is: 3,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.55 : 8,646.95 = 2,646.41 : x
  2. Step 2: Convert to fraction form
    5,768.55/8,646.95 = 2,646.41/x
  3. Step 3: Cross multiply
    5,768.55x = 8,646.95 × 2,646.41
  4. Step 4: Simplify right side
    5,768.55x = 22,883,338.33
  5. Step 5: Solve for x
    x = 22,883,338.33/5,768.55
  6. Step 6: Final answer
    x = 3,966.91

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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.