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Finding the Fourth Proportional to 64,879.68, 97,293.80 and 22,174.48

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Solution

The fourth proportional to 64,879.68, 97,293.80 and 22,174.48 is: 33,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.68 : 97,293.80 = 22,174.48 : x
  2. Step 2: Convert to fraction form
    64,879.68/97,293.80 = 22,174.48/x
  3. Step 3: Cross multiply
    64,879.68x = 97,293.80 × 22,174.48
  4. Step 4: Simplify right side
    64,879.68x = 2,157,439,422.22
  5. Step 5: Solve for x
    x = 2,157,439,422.22/64,879.68
  6. Step 6: Final answer
    x = 33,252.93

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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.