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Finding the Fourth Proportional to 67,427.98, 100,629.26 and 59,954.78

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Solution

The fourth proportional to 67,427.98, 100,629.26 and 59,954.78 is: 89,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,427.98 : 100,629.26 = 59,954.78 : x
  2. Step 2: Convert to fraction form
    67,427.98/100,629.26 = 59,954.78/x
  3. Step 3: Cross multiply
    67,427.98x = 100,629.26 × 59,954.78
  4. Step 4: Simplify right side
    67,427.98x = 6,033,205,321.49
  5. Step 5: Solve for x
    x = 6,033,205,321.49/67,427.98
  6. Step 6: Final answer
    x = 89,476.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.