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Finding the Fourth Proportional to 63,696.86, 87,914.40 and 48,562.47

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Solution

The fourth proportional to 63,696.86, 87,914.40 and 48,562.47 is: 67,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.86 : 87,914.40 = 48,562.47 : x
  2. Step 2: Convert to fraction form
    63,696.86/87,914.40 = 48,562.47/x
  3. Step 3: Cross multiply
    63,696.86x = 87,914.40 × 48,562.47
  4. Step 4: Simplify right side
    63,696.86x = 4,269,340,412.57
  5. Step 5: Solve for x
    x = 4,269,340,412.57/63,696.86
  6. Step 6: Final answer
    x = 67,025.92

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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.