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Finding the Fourth Proportional to 64,703.28, 96,961.44 and 36,564

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Solution

The fourth proportional to 64,703.28, 96,961.44 and 36,564 is: 54,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,703.28 : 96,961.44 = 36,564 : x
  2. Step 2: Convert to fraction form
    64,703.28/96,961.44 = 36,564/x
  3. Step 3: Cross multiply
    64,703.28x = 96,961.44 × 36,564
  4. Step 4: Simplify right side
    64,703.28x = 3,545,298,092.16
  5. Step 5: Solve for x
    x = 3,545,298,092.16/64,703.28
  6. Step 6: Final answer
    x = 54,793.17

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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.