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Finding the Fourth Proportional to 3,170.54, 4,753.78 and 1,523.81

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Solution

The fourth proportional to 3,170.54, 4,753.78 and 1,523.81 is: 2,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.54 : 4,753.78 = 1,523.81 : x
  2. Step 2: Convert to fraction form
    3,170.54/4,753.78 = 1,523.81/x
  3. Step 3: Cross multiply
    3,170.54x = 4,753.78 × 1,523.81
  4. Step 4: Simplify right side
    3,170.54x = 7,243,857.50
  5. Step 5: Solve for x
    x = 7,243,857.50/3,170.54
  6. Step 6: Final answer
    x = 2,284.74

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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.