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Finding the Fourth Proportional to 63,429.87, 87,532.06 and 36,573.51

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Solution

The fourth proportional to 63,429.87, 87,532.06 and 36,573.51 is: 50,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,429.87 : 87,532.06 = 36,573.51 : x
  2. Step 2: Convert to fraction form
    63,429.87/87,532.06 = 36,573.51/x
  3. Step 3: Cross multiply
    63,429.87x = 87,532.06 × 36,573.51
  4. Step 4: Simplify right side
    63,429.87x = 3,201,354,977.12
  5. Step 5: Solve for x
    x = 3,201,354,977.12/63,429.87
  6. Step 6: Final answer
    x = 50,470.78

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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.