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Finding the Fourth Proportional to 64,611.90, 96,917.24 and 22,491.90

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Solution

The fourth proportional to 64,611.90, 96,917.24 and 22,491.90 is: 33,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.90 : 96,917.24 = 22,491.90 : x
  2. Step 2: Convert to fraction form
    64,611.90/96,917.24 = 22,491.90/x
  3. Step 3: Cross multiply
    64,611.90x = 96,917.24 × 22,491.90
  4. Step 4: Simplify right side
    64,611.90x = 2,179,852,926.59
  5. Step 5: Solve for x
    x = 2,179,852,926.59/64,611.90
  6. Step 6: Final answer
    x = 33,737.64

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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.