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Finding the Fourth Proportional to 67,970.37, 101,955.66 and 25,840.56

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Solution

The fourth proportional to 67,970.37, 101,955.66 and 25,840.56 is: 38,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.37 : 101,955.66 = 25,840.56 : x
  2. Step 2: Convert to fraction form
    67,970.37/101,955.66 = 25,840.56/x
  3. Step 3: Cross multiply
    67,970.37x = 101,955.66 × 25,840.56
  4. Step 4: Simplify right side
    67,970.37x = 2,634,591,349.57
  5. Step 5: Solve for x
    x = 2,634,591,349.57/67,970.37
  6. Step 6: Final answer
    x = 38,760.88

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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.