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Finding the Fourth Proportional to 73,474.40, 101,395.68 and 39,941.12

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Solution

The fourth proportional to 73,474.40, 101,395.68 and 39,941.12 is: 55,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,474.40 : 101,395.68 = 39,941.12 : x
  2. Step 2: Convert to fraction form
    73,474.40/101,395.68 = 39,941.12/x
  3. Step 3: Cross multiply
    73,474.40x = 101,395.68 × 39,941.12
  4. Step 4: Simplify right side
    73,474.40x = 4,049,857,022.36
  5. Step 5: Solve for x
    x = 4,049,857,022.36/73,474.40
  6. Step 6: Final answer
    x = 55,119.29

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1.5x scale

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.