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Finding the Fourth Proportional to 64,767.68, 97,161.76 and 22,659.52

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Solution

The fourth proportional to 64,767.68, 97,161.76 and 22,659.52 is: 33,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,767.68 : 97,161.76 = 22,659.52 : x
  2. Step 2: Convert to fraction form
    64,767.68/97,161.76 = 22,659.52/x
  3. Step 3: Cross multiply
    64,767.68x = 97,161.76 × 22,659.52
  4. Step 4: Simplify right side
    64,767.68x = 2,201,638,843.96
  5. Step 5: Solve for x
    x = 2,201,638,843.96/64,767.68
  6. Step 6: Final answer
    x = 33,992.86

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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.