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Finding the Fourth Proportional to 58,474.44, 80,694.74 and 31,616.94

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Solution

The fourth proportional to 58,474.44, 80,694.74 and 31,616.94 is: 43,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.44 : 80,694.74 = 31,616.94 : x
  2. Step 2: Convert to fraction form
    58,474.44/80,694.74 = 31,616.94/x
  3. Step 3: Cross multiply
    58,474.44x = 80,694.74 × 31,616.94
  4. Step 4: Simplify right side
    58,474.44x = 2,551,320,752.90
  5. Step 5: Solve for x
    x = 2,551,320,752.90/58,474.44
  6. Step 6: Final answer
    x = 43,631.38

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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.