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Finding the Fourth Proportional to 63,752.75, 95,640.06 and 19,383.99

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Solution

The fourth proportional to 63,752.75, 95,640.06 and 19,383.99 is: 29,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,752.75 : 95,640.06 = 19,383.99 : x
  2. Step 2: Convert to fraction form
    63,752.75/95,640.06 = 19,383.99/x
  3. Step 3: Cross multiply
    63,752.75x = 95,640.06 × 19,383.99
  4. Step 4: Simplify right side
    63,752.75x = 1,853,885,966.64
  5. Step 5: Solve for x
    x = 1,853,885,966.64/63,752.75
  6. Step 6: Final answer
    x = 29,079.31

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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.