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Finding the Fourth Proportional to 63,497.76, 87,629.04 and 35,201.76

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Solution

The fourth proportional to 63,497.76, 87,629.04 and 35,201.76 is: 48,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,497.76 : 87,629.04 = 35,201.76 : x
  2. Step 2: Convert to fraction form
    63,497.76/87,629.04 = 35,201.76/x
  3. Step 3: Cross multiply
    63,497.76x = 87,629.04 × 35,201.76
  4. Step 4: Simplify right side
    63,497.76x = 3,084,696,435.11
  5. Step 5: Solve for x
    x = 3,084,696,435.11/63,497.76
  6. Step 6: Final answer
    x = 48,579.61

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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.