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Finding the Fourth Proportional to 9,866.22, 14,799.33 and 7,236.55

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Solution

The fourth proportional to 9,866.22, 14,799.33 and 7,236.55 is: 10,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.22 : 14,799.33 = 7,236.55 : x
  2. Step 2: Convert to fraction form
    9,866.22/14,799.33 = 7,236.55/x
  3. Step 3: Cross multiply
    9,866.22x = 14,799.33 × 7,236.55
  4. Step 4: Simplify right side
    9,866.22x = 107,096,055.33
  5. Step 5: Solve for x
    x = 107,096,055.33/9,866.22
  6. Step 6: Final answer
    x = 10,854.83

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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.