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Finding the Fourth Proportional to 63,864.75, 95,881.91 and 54,564.51

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Solution

The fourth proportional to 63,864.75, 95,881.91 and 54,564.51 is: 81,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,864.75 : 95,881.91 = 54,564.51 : x
  2. Step 2: Convert to fraction form
    63,864.75/95,881.91 = 54,564.51/x
  3. Step 3: Cross multiply
    63,864.75x = 95,881.91 × 54,564.51
  4. Step 4: Simplify right side
    63,864.75x = 5,231,749,164.19
  5. Step 5: Solve for x
    x = 5,231,749,164.19/63,864.75
  6. Step 6: Final answer
    x = 81,919.20

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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.