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Finding the Fourth Proportional to 63,647.89, 87,835.48 and 34,967.92

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Solution

The fourth proportional to 63,647.89, 87,835.48 and 34,967.92 is: 48,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,647.89 : 87,835.48 = 34,967.92 : x
  2. Step 2: Convert to fraction form
    63,647.89/87,835.48 = 34,967.92/x
  3. Step 3: Cross multiply
    63,647.89x = 87,835.48 × 34,967.92
  4. Step 4: Simplify right side
    63,647.89x = 3,071,424,037.80
  5. Step 5: Solve for x
    x = 3,071,424,037.80/63,647.89
  6. Step 6: Final answer
    x = 48,256.49

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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.