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Finding the Fourth Proportional to 64,149.59, 88,529.13 and 35,855.25

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Solution

The fourth proportional to 64,149.59, 88,529.13 and 35,855.25 is: 49,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.59 : 88,529.13 = 35,855.25 : x
  2. Step 2: Convert to fraction form
    64,149.59/88,529.13 = 35,855.25/x
  3. Step 3: Cross multiply
    64,149.59x = 88,529.13 × 35,855.25
  4. Step 4: Simplify right side
    64,149.59x = 3,174,234,088.43
  5. Step 5: Solve for x
    x = 3,174,234,088.43/64,149.59
  6. Step 6: Final answer
    x = 49,481.76

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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.