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Finding the Fourth Proportional to 63,646.88, 87,853.28 and 45,793.80

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Solution

The fourth proportional to 63,646.88, 87,853.28 and 45,793.80 is: 63,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,646.88 : 87,853.28 = 45,793.80 : x
  2. Step 2: Convert to fraction form
    63,646.88/87,853.28 = 45,793.80/x
  3. Step 3: Cross multiply
    63,646.88x = 87,853.28 × 45,793.80
  4. Step 4: Simplify right side
    63,646.88x = 4,023,135,533.66
  5. Step 5: Solve for x
    x = 4,023,135,533.66/63,646.88
  6. Step 6: Final answer
    x = 63,210.26

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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.