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Finding the Fourth Proportional to 67,954.62, 101,474.31 and 55,499.36

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Solution

The fourth proportional to 67,954.62, 101,474.31 and 55,499.36 is: 82,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.62 : 101,474.31 = 55,499.36 : x
  2. Step 2: Convert to fraction form
    67,954.62/101,474.31 = 55,499.36/x
  3. Step 3: Cross multiply
    67,954.62x = 101,474.31 × 55,499.36
  4. Step 4: Simplify right side
    67,954.62x = 5,631,759,515.13
  5. Step 5: Solve for x
    x = 5,631,759,515.13/67,954.62
  6. Step 6: Final answer
    x = 82,875.30

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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.