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Finding the Fourth Proportional to 3,472.96, 4,792.80 and 1,901.11

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Solution

The fourth proportional to 3,472.96, 4,792.80 and 1,901.11 is: 2,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.96 : 4,792.80 = 1,901.11 : x
  2. Step 2: Convert to fraction form
    3,472.96/4,792.80 = 1,901.11/x
  3. Step 3: Cross multiply
    3,472.96x = 4,792.80 × 1,901.11
  4. Step 4: Simplify right side
    3,472.96x = 9,111,640.01
  5. Step 5: Solve for x
    x = 9,111,640.01/3,472.96
  6. Step 6: Final answer
    x = 2,623.59

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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.