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Finding the Fourth Proportional to 55,406.44, 76,463.74 and 33,889.44

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Solution

The fourth proportional to 55,406.44, 76,463.74 and 33,889.44 is: 46,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406.44 : 76,463.74 = 33,889.44 : x
  2. Step 2: Convert to fraction form
    55,406.44/76,463.74 = 33,889.44/x
  3. Step 3: Cross multiply
    55,406.44x = 76,463.74 × 33,889.44
  4. Step 4: Simplify right side
    55,406.44x = 2,591,313,328.91
  5. Step 5: Solve for x
    x = 2,591,313,328.91/55,406.44
  6. Step 6: Final answer
    x = 46,769.17

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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.