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Finding the Fourth Proportional to 64,687.64, 97,000.74 and 22,562.61

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Solution

The fourth proportional to 64,687.64, 97,000.74 and 22,562.61 is: 33,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.64 : 97,000.74 = 22,562.61 : x
  2. Step 2: Convert to fraction form
    64,687.64/97,000.74 = 22,562.61/x
  3. Step 3: Cross multiply
    64,687.64x = 97,000.74 × 22,562.61
  4. Step 4: Simplify right side
    64,687.64x = 2,188,589,866.33
  5. Step 5: Solve for x
    x = 2,188,589,866.33/64,687.64
  6. Step 6: Final answer
    x = 33,833.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.