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Finding the Fourth Proportional to 5,753.48, 8,630.42 and 1,857.38

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Solution

The fourth proportional to 5,753.48, 8,630.42 and 1,857.38 is: 2,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.48 : 8,630.42 = 1,857.38 : x
  2. Step 2: Convert to fraction form
    5,753.48/8,630.42 = 1,857.38/x
  3. Step 3: Cross multiply
    5,753.48x = 8,630.42 × 1,857.38
  4. Step 4: Simplify right side
    5,753.48x = 16,029,917.06
  5. Step 5: Solve for x
    x = 16,029,917.06/5,753.48
  6. Step 6: Final answer
    x = 2,786.13

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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.