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Finding the Fourth Proportional to 5,898.89, 8,849.31 and 2,389.13

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Solution

The fourth proportional to 5,898.89, 8,849.31 and 2,389.13 is: 3,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.89 : 8,849.31 = 2,389.13 : x
  2. Step 2: Convert to fraction form
    5,898.89/8,849.31 = 2,389.13/x
  3. Step 3: Cross multiply
    5,898.89x = 8,849.31 × 2,389.13
  4. Step 4: Simplify right side
    5,898.89x = 21,142,131.98
  5. Step 5: Solve for x
    x = 21,142,131.98/5,898.89
  6. Step 6: Final answer
    x = 3,584.08

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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.