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Finding the Fourth Proportional to 6,086.88, 9,123 and 2,386.80

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Solution

The fourth proportional to 6,086.88, 9,123 and 2,386.80 is: 3,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.88 : 9,123 = 2,386.80 : x
  2. Step 2: Convert to fraction form
    6,086.88/9,123 = 2,386.80/x
  3. Step 3: Cross multiply
    6,086.88x = 9,123 × 2,386.80
  4. Step 4: Simplify right side
    6,086.88x = 21,774,776.40
  5. Step 5: Solve for x
    x = 21,774,776.40/6,086.88
  6. Step 6: Final answer
    x = 3,577.33

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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.