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Finding the Fourth Proportional to 64,472.12, 88,976.80 and 35,793.54

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Solution

The fourth proportional to 64,472.12, 88,976.80 and 35,793.54 is: 49,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,472.12 : 88,976.80 = 35,793.54 : x
  2. Step 2: Convert to fraction form
    64,472.12/88,976.80 = 35,793.54/x
  3. Step 3: Cross multiply
    64,472.12x = 88,976.80 × 35,793.54
  4. Step 4: Simplify right side
    64,472.12x = 3,184,794,649.87
  5. Step 5: Solve for x
    x = 3,184,794,649.87/64,472.12
  6. Step 6: Final answer
    x = 49,398.01

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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.