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Finding the Fourth Proportional to 64,604.82, 97,053.03 and 38,326.86

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Solution

The fourth proportional to 64,604.82, 97,053.03 and 38,326.86 is: 57,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.82 : 97,053.03 = 38,326.86 : x
  2. Step 2: Convert to fraction form
    64,604.82/97,053.03 = 38,326.86/x
  3. Step 3: Cross multiply
    64,604.82x = 97,053.03 × 38,326.86
  4. Step 4: Simplify right side
    64,604.82x = 3,719,737,893.39
  5. Step 5: Solve for x
    x = 3,719,737,893.39/64,604.82
  6. Step 6: Final answer
    x = 57,576.79

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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.