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Finding the Fourth Proportional to 63,538.61, 87,693.80 and 35,253.41

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Solution

The fourth proportional to 63,538.61, 87,693.80 and 35,253.41 is: 48,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538.61 : 87,693.80 = 35,253.41 : x
  2. Step 2: Convert to fraction form
    63,538.61/87,693.80 = 35,253.41/x
  3. Step 3: Cross multiply
    63,538.61x = 87,693.80 × 35,253.41
  4. Step 4: Simplify right side
    63,538.61x = 3,091,504,871.12
  5. Step 5: Solve for x
    x = 3,091,504,871.12/63,538.61
  6. Step 6: Final answer
    x = 48,655.54

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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.