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Finding the Fourth Proportional to 9,477.29, 13,081.55 and 5,499.99

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Solution

The fourth proportional to 9,477.29, 13,081.55 and 5,499.99 is: 7,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.29 : 13,081.55 = 5,499.99 : x
  2. Step 2: Convert to fraction form
    9,477.29/13,081.55 = 5,499.99/x
  3. Step 3: Cross multiply
    9,477.29x = 13,081.55 × 5,499.99
  4. Step 4: Simplify right side
    9,477.29x = 71,948,366.68
  5. Step 5: Solve for x
    x = 71,948,366.68/9,477.29
  6. Step 6: Final answer
    x = 7,591.66

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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.