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Finding the Fourth Proportional to 5,871.10, 8,805.79 and 1,709.99

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Solution

The fourth proportional to 5,871.10, 8,805.79 and 1,709.99 is: 2,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.10 : 8,805.79 = 1,709.99 : x
  2. Step 2: Convert to fraction form
    5,871.10/8,805.79 = 1,709.99/x
  3. Step 3: Cross multiply
    5,871.10x = 8,805.79 × 1,709.99
  4. Step 4: Simplify right side
    5,871.10x = 15,057,803.97
  5. Step 5: Solve for x
    x = 15,057,803.97/5,871.10
  6. Step 6: Final answer
    x = 2,564.73

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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.