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Finding the Fourth Proportional to 64,062.85, 96,103.47 and 19,693.33

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Solution

The fourth proportional to 64,062.85, 96,103.47 and 19,693.33 is: 29,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.85 : 96,103.47 = 19,693.33 : x
  2. Step 2: Convert to fraction form
    64,062.85/96,103.47 = 19,693.33/x
  3. Step 3: Cross multiply
    64,062.85x = 96,103.47 × 19,693.33
  4. Step 4: Simplify right side
    64,062.85x = 1,892,597,348.86
  5. Step 5: Solve for x
    x = 1,892,597,348.86/64,062.85
  6. Step 6: Final answer
    x = 29,542.82

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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.