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Finding the Fourth Proportional to 63,679.02, 87,875.31 and 35,383.98

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Solution

The fourth proportional to 63,679.02, 87,875.31 and 35,383.98 is: 48,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.02 : 87,875.31 = 35,383.98 : x
  2. Step 2: Convert to fraction form
    63,679.02/87,875.31 = 35,383.98/x
  3. Step 3: Cross multiply
    63,679.02x = 87,875.31 × 35,383.98
  4. Step 4: Simplify right side
    63,679.02x = 3,109,378,211.53
  5. Step 5: Solve for x
    x = 3,109,378,211.53/63,679.02
  6. Step 6: Final answer
    x = 48,828.93

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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.