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Finding the Fourth Proportional to 9,362.88, 14,055.11 and 4,755.60

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Solution

The fourth proportional to 9,362.88, 14,055.11 and 4,755.60 is: 7,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.88 : 14,055.11 = 4,755.60 : x
  2. Step 2: Convert to fraction form
    9,362.88/14,055.11 = 4,755.60/x
  3. Step 3: Cross multiply
    9,362.88x = 14,055.11 × 4,755.60
  4. Step 4: Simplify right side
    9,362.88x = 66,840,481.12
  5. Step 5: Solve for x
    x = 66,840,481.12/9,362.88
  6. Step 6: Final answer
    x = 7,138.88

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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.