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Finding the Fourth Proportional to 5,768.02, 8,653.11 and 1,871.38

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Solution

The fourth proportional to 5,768.02, 8,653.11 and 1,871.38 is: 2,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.02 : 8,653.11 = 1,871.38 : x
  2. Step 2: Convert to fraction form
    5,768.02/8,653.11 = 1,871.38/x
  3. Step 3: Cross multiply
    5,768.02x = 8,653.11 × 1,871.38
  4. Step 4: Simplify right side
    5,768.02x = 16,193,256.99
  5. Step 5: Solve for x
    x = 16,193,256.99/5,768.02
  6. Step 6: Final answer
    x = 2,807.42

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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.