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Finding the Fourth Proportional to 73,616.32, 101,621.04 and 55,716.32

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Solution

The fourth proportional to 73,616.32, 101,621.04 and 55,716.32 is: 76,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,616.32 : 101,621.04 = 55,716.32 : x
  2. Step 2: Convert to fraction form
    73,616.32/101,621.04 = 55,716.32/x
  3. Step 3: Cross multiply
    73,616.32x = 101,621.04 × 55,716.32
  4. Step 4: Simplify right side
    73,616.32x = 5,661,950,383.37
  5. Step 5: Solve for x
    x = 5,661,950,383.37/73,616.32
  6. Step 6: Final answer
    x = 76,911.62

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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.