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Finding the Fourth Proportional to 9,183.65, 12,678.82 and 7,054.99

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Solution

The fourth proportional to 9,183.65, 12,678.82 and 7,054.99 is: 9,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.65 : 12,678.82 = 7,054.99 : x
  2. Step 2: Convert to fraction form
    9,183.65/12,678.82 = 7,054.99/x
  3. Step 3: Cross multiply
    9,183.65x = 12,678.82 × 7,054.99
  4. Step 4: Simplify right side
    9,183.65x = 89,448,954.48
  5. Step 5: Solve for x
    x = 89,448,954.48/9,183.65
  6. Step 6: Final answer
    x = 9,740.03

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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.