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Finding the Fourth Proportional to 63,803.92, 88,048.68 and 35,512.72

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Solution

The fourth proportional to 63,803.92, 88,048.68 and 35,512.72 is: 49,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,803.92 : 88,048.68 = 35,512.72 : x
  2. Step 2: Convert to fraction form
    63,803.92/88,048.68 = 35,512.72/x
  3. Step 3: Cross multiply
    63,803.92x = 88,048.68 × 35,512.72
  4. Step 4: Simplify right side
    63,803.92x = 3,126,848,119.21
  5. Step 5: Solve for x
    x = 3,126,848,119.21/63,803.92
  6. Step 6: Final answer
    x = 49,007.15

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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.