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Finding the Fourth Proportional to 9,333.13, 13,999.88 and 2,759.31

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Solution

The fourth proportional to 9,333.13, 13,999.88 and 2,759.31 is: 4,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.13 : 13,999.88 = 2,759.31 : x
  2. Step 2: Convert to fraction form
    9,333.13/13,999.88 = 2,759.31/x
  3. Step 3: Cross multiply
    9,333.13x = 13,999.88 × 2,759.31
  4. Step 4: Simplify right side
    9,333.13x = 38,630,008.88
  5. Step 5: Solve for x
    x = 38,630,008.88/9,333.13
  6. Step 6: Final answer
    x = 4,139.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.