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Finding the Fourth Proportional to 64,189.24, 88,579.50 and 35,509.98

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Solution

The fourth proportional to 64,189.24, 88,579.50 and 35,509.98 is: 49,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.24 : 88,579.50 = 35,509.98 : x
  2. Step 2: Convert to fraction form
    64,189.24/88,579.50 = 35,509.98/x
  3. Step 3: Cross multiply
    64,189.24x = 88,579.50 × 35,509.98
  4. Step 4: Simplify right side
    64,189.24x = 3,145,456,273.41
  5. Step 5: Solve for x
    x = 3,145,456,273.41/64,189.24
  6. Step 6: Final answer
    x = 49,002.86

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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.