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Finding the Fourth Proportional to 2,391.65, 3,588.89 and 1,295.99

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Solution

The fourth proportional to 2,391.65, 3,588.89 and 1,295.99 is: 1,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.65 : 3,588.89 = 1,295.99 : x
  2. Step 2: Convert to fraction form
    2,391.65/3,588.89 = 1,295.99/x
  3. Step 3: Cross multiply
    2,391.65x = 3,588.89 × 1,295.99
  4. Step 4: Simplify right side
    2,391.65x = 4,651,141.13
  5. Step 5: Solve for x
    x = 4,651,141.13/2,391.65
  6. Step 6: Final answer
    x = 1,944.75

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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.