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Finding the Fourth Proportional to 63,805.07, 95,712.03 and 21,667.97

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Solution

The fourth proportional to 63,805.07, 95,712.03 and 21,667.97 is: 32,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,805.07 : 95,712.03 = 21,667.97 : x
  2. Step 2: Convert to fraction form
    63,805.07/95,712.03 = 21,667.97/x
  3. Step 3: Cross multiply
    63,805.07x = 95,712.03 × 21,667.97
  4. Step 4: Simplify right side
    63,805.07x = 2,073,884,916.12
  5. Step 5: Solve for x
    x = 2,073,884,916.12/63,805.07
  6. Step 6: Final answer
    x = 32,503.45

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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.