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Finding the Fourth Proportional to 9,500.88, 13,109.92 and 5,309.40

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Solution

The fourth proportional to 9,500.88, 13,109.92 and 5,309.40 is: 7,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.88 : 13,109.92 = 5,309.40 : x
  2. Step 2: Convert to fraction form
    9,500.88/13,109.92 = 5,309.40/x
  3. Step 3: Cross multiply
    9,500.88x = 13,109.92 × 5,309.40
  4. Step 4: Simplify right side
    9,500.88x = 69,605,809.25
  5. Step 5: Solve for x
    x = 69,605,809.25/9,500.88
  6. Step 6: Final answer
    x = 7,326.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.