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Finding the Fourth Proportional to 63,758.64, 87,983.21 and 35,073.40

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Solution

The fourth proportional to 63,758.64, 87,983.21 and 35,073.40 is: 48,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,758.64 : 87,983.21 = 35,073.40 : x
  2. Step 2: Convert to fraction form
    63,758.64/87,983.21 = 35,073.40/x
  3. Step 3: Cross multiply
    63,758.64x = 87,983.21 × 35,073.40
  4. Step 4: Simplify right side
    63,758.64x = 3,085,870,317.61
  5. Step 5: Solve for x
    x = 3,085,870,317.61/63,758.64
  6. Step 6: Final answer
    x = 48,399.25

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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.