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Finding the Fourth Proportional to 3,472.42, 4,792.00 and 1,900.51

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Solution

The fourth proportional to 3,472.42, 4,792.00 and 1,900.51 is: 2,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.42 : 4,792.00 = 1,900.51 : x
  2. Step 2: Convert to fraction form
    3,472.42/4,792.00 = 1,900.51/x
  3. Step 3: Cross multiply
    3,472.42x = 4,792.00 × 1,900.51
  4. Step 4: Simplify right side
    3,472.42x = 9,107,246.30
  5. Step 5: Solve for x
    x = 9,107,246.30/3,472.42
  6. Step 6: Final answer
    x = 2,622.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.