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Finding the Fourth Proportional to 17,773.76, 26,655.04 and 7,383.36

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Solution

The fourth proportional to 17,773.76, 26,655.04 and 7,383.36 is: 11,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.76 : 26,655.04 = 7,383.36 : x
  2. Step 2: Convert to fraction form
    17,773.76/26,655.04 = 7,383.36/x
  3. Step 3: Cross multiply
    17,773.76x = 26,655.04 × 7,383.36
  4. Step 4: Simplify right side
    17,773.76x = 196,803,756.13
  5. Step 5: Solve for x
    x = 196,803,756.13/17,773.76
  6. Step 6: Final answer
    x = 11,072.71

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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.