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Finding the Fourth Proportional to 11,765.88, 17,630.60 and 9,294.57

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Solution

The fourth proportional to 11,765.88, 17,630.60 and 9,294.57 is: 13,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.88 : 17,630.60 = 9,294.57 : x
  2. Step 2: Convert to fraction form
    11,765.88/17,630.60 = 9,294.57/x
  3. Step 3: Cross multiply
    11,765.88x = 17,630.60 × 9,294.57
  4. Step 4: Simplify right side
    11,765.88x = 163,868,799.37
  5. Step 5: Solve for x
    x = 163,868,799.37/11,765.88
  6. Step 6: Final answer
    x = 13,927.46

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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.