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Finding the Fourth Proportional to 63,291.41, 87,341.92 and 35,693.88

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Solution

The fourth proportional to 63,291.41, 87,341.92 and 35,693.88 is: 49,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,291.41 : 87,341.92 = 35,693.88 : x
  2. Step 2: Convert to fraction form
    63,291.41/87,341.92 = 35,693.88/x
  3. Step 3: Cross multiply
    63,291.41x = 87,341.92 × 35,693.88
  4. Step 4: Simplify right side
    63,291.41x = 3,117,571,832.98
  5. Step 5: Solve for x
    x = 3,117,571,832.98/63,291.41
  6. Step 6: Final answer
    x = 49,257.42

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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.