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Finding the Fourth Proportional to 4,793.32, 7,187.44 and 2,945.28

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Solution

The fourth proportional to 4,793.32, 7,187.44 and 2,945.28 is: 4,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.32 : 7,187.44 = 2,945.28 : x
  2. Step 2: Convert to fraction form
    4,793.32/7,187.44 = 2,945.28/x
  3. Step 3: Cross multiply
    4,793.32x = 7,187.44 × 2,945.28
  4. Step 4: Simplify right side
    4,793.32x = 21,169,023.28
  5. Step 5: Solve for x
    x = 21,169,023.28/4,793.32
  6. Step 6: Final answer
    x = 4,416.36

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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.