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Finding the Fourth Proportional to 63,556.66, 87,707.91 and 35,262.28

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Solution

The fourth proportional to 63,556.66, 87,707.91 and 35,262.28 is: 48,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,556.66 : 87,707.91 = 35,262.28 : x
  2. Step 2: Convert to fraction form
    63,556.66/87,707.91 = 35,262.28/x
  3. Step 3: Cross multiply
    63,556.66x = 87,707.91 × 35,262.28
  4. Step 4: Simplify right side
    63,556.66x = 3,092,780,880.63
  5. Step 5: Solve for x
    x = 3,092,780,880.63/63,556.66
  6. Step 6: Final answer
    x = 48,661.79

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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.