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Finding the Fourth Proportional to 63,638.33, 87,824.86 and 35,343.95

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Solution

The fourth proportional to 63,638.33, 87,824.86 and 35,343.95 is: 48,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,638.33 : 87,824.86 = 35,343.95 : x
  2. Step 2: Convert to fraction form
    63,638.33/87,824.86 = 35,343.95/x
  3. Step 3: Cross multiply
    63,638.33x = 87,824.86 × 35,343.95
  4. Step 4: Simplify right side
    63,638.33x = 3,104,076,933.11
  5. Step 5: Solve for x
    x = 3,104,076,933.11/63,638.33
  6. Step 6: Final answer
    x = 48,776.85

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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.