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Finding the Fourth Proportional to 69,967.37, 96,557.58 and 39,757.82

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Solution

The fourth proportional to 69,967.37, 96,557.58 and 39,757.82 is: 54,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.37 : 96,557.58 = 39,757.82 : x
  2. Step 2: Convert to fraction form
    69,967.37/96,557.58 = 39,757.82/x
  3. Step 3: Cross multiply
    69,967.37x = 96,557.58 × 39,757.82
  4. Step 4: Simplify right side
    69,967.37x = 3,838,918,885.28
  5. Step 5: Solve for x
    x = 3,838,918,885.28/69,967.37
  6. Step 6: Final answer
    x = 54,867.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.