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Finding the Fourth Proportional to 64,694.58, 97,040.79 and 29,136.12

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Solution

The fourth proportional to 64,694.58, 97,040.79 and 29,136.12 is: 43,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,694.58 : 97,040.79 = 29,136.12 : x
  2. Step 2: Convert to fraction form
    64,694.58/97,040.79 = 29,136.12/x
  3. Step 3: Cross multiply
    64,694.58x = 97,040.79 × 29,136.12
  4. Step 4: Simplify right side
    64,694.58x = 2,827,392,102.33
  5. Step 5: Solve for x
    x = 2,827,392,102.33/64,694.58
  6. Step 6: Final answer
    x = 43,703.69

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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.