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Finding the Fourth Proportional to 63,662.92, 87,857.94 and 35,368

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Solution

The fourth proportional to 63,662.92, 87,857.94 and 35,368 is: 48,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,662.92 : 87,857.94 = 35,368 : x
  2. Step 2: Convert to fraction form
    63,662.92/87,857.94 = 35,368/x
  3. Step 3: Cross multiply
    63,662.92x = 87,857.94 × 35,368
  4. Step 4: Simplify right side
    63,662.92x = 3,107,359,621.92
  5. Step 5: Solve for x
    x = 3,107,359,621.92/63,662.92
  6. Step 6: Final answer
    x = 48,809.57

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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.