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Finding the Fourth Proportional to 63,498.48, 87,628.26 and 36,642.12

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Solution

The fourth proportional to 63,498.48, 87,628.26 and 36,642.12 is: 50,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,498.48 : 87,628.26 = 36,642.12 : x
  2. Step 2: Convert to fraction form
    63,498.48/87,628.26 = 36,642.12/x
  3. Step 3: Cross multiply
    63,498.48x = 87,628.26 × 36,642.12
  4. Step 4: Simplify right side
    63,498.48x = 3,210,885,218.31
  5. Step 5: Solve for x
    x = 3,210,885,218.31/63,498.48
  6. Step 6: Final answer
    x = 50,566.33

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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.