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Finding the Fourth Proportional to 5,900.77, 8,849.79 and 2,389.81

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Solution

The fourth proportional to 5,900.77, 8,849.79 and 2,389.81 is: 3,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.77 : 8,849.79 = 2,389.81 : x
  2. Step 2: Convert to fraction form
    5,900.77/8,849.79 = 2,389.81/x
  3. Step 3: Cross multiply
    5,900.77x = 8,849.79 × 2,389.81
  4. Step 4: Simplify right side
    5,900.77x = 21,149,311.11
  5. Step 5: Solve for x
    x = 21,149,311.11/5,900.77
  6. Step 6: Final answer
    x = 3,584.16

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Why These Related Problems?

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