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Finding the Fourth Proportional to 63,659.39, 95,486.65 and 21,542.63

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Solution

The fourth proportional to 63,659.39, 95,486.65 and 21,542.63 is: 32,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,659.39 : 95,486.65 = 21,542.63 : x
  2. Step 2: Convert to fraction form
    63,659.39/95,486.65 = 21,542.63/x
  3. Step 3: Cross multiply
    63,659.39x = 95,486.65 × 21,542.63
  4. Step 4: Simplify right side
    63,659.39x = 2,057,033,039.60
  5. Step 5: Solve for x
    x = 2,057,033,039.60/63,659.39
  6. Step 6: Final answer
    x = 32,313.12

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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.