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Finding the Fourth Proportional to 63,536.80, 87,682.32 and 35,243.68

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Solution

The fourth proportional to 63,536.80, 87,682.32 and 35,243.68 is: 48,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,536.80 : 87,682.32 = 35,243.68 : x
  2. Step 2: Convert to fraction form
    63,536.80/87,682.32 = 35,243.68/x
  3. Step 3: Cross multiply
    63,536.80x = 87,682.32 × 35,243.68
  4. Step 4: Simplify right side
    63,536.80x = 3,090,247,627.74
  5. Step 5: Solve for x
    x = 3,090,247,627.74/63,536.80
  6. Step 6: Final answer
    x = 48,637.13

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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.