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Finding the Fourth Proportional to 63,645.03, 87,850.71 and 45,791.91

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Solution

The fourth proportional to 63,645.03, 87,850.71 and 45,791.91 is: 63,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.03 : 87,850.71 = 45,791.91 : x
  2. Step 2: Convert to fraction form
    63,645.03/87,850.71 = 45,791.91/x
  3. Step 3: Cross multiply
    63,645.03x = 87,850.71 × 45,791.91
  4. Step 4: Simplify right side
    63,645.03x = 4,022,851,805.76
  5. Step 5: Solve for x
    x = 4,022,851,805.76/63,645.03
  6. Step 6: Final answer
    x = 63,207.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.