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Finding the Fourth Proportional to 58,474.82, 80,695.24 and 31,617.34

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Solution

The fourth proportional to 58,474.82, 80,695.24 and 31,617.34 is: 43,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.82 : 80,695.24 = 31,617.34 : x
  2. Step 2: Convert to fraction form
    58,474.82/80,695.24 = 31,617.34/x
  3. Step 3: Cross multiply
    58,474.82x = 80,695.24 × 31,617.34
  4. Step 4: Simplify right side
    58,474.82x = 2,551,368,558.68
  5. Step 5: Solve for x
    x = 2,551,368,558.68/58,474.82
  6. Step 6: Final answer
    x = 43,631.92

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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.