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Finding the Fourth Proportional to 3,787.92, 5,673.96 and 3,053.52

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Solution

The fourth proportional to 3,787.92, 5,673.96 and 3,053.52 is: 4,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.92 : 5,673.96 = 3,053.52 : x
  2. Step 2: Convert to fraction form
    3,787.92/5,673.96 = 3,053.52/x
  3. Step 3: Cross multiply
    3,787.92x = 5,673.96 × 3,053.52
  4. Step 4: Simplify right side
    3,787.92x = 17,325,550.34
  5. Step 5: Solve for x
    x = 17,325,550.34/3,787.92
  6. Step 6: Final answer
    x = 4,573.90

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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.