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Finding the Fourth Proportional to 56,474.92, 77,935.43 and 31,324.42

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Solution

The fourth proportional to 56,474.92, 77,935.43 and 31,324.42 is: 43,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.92 : 77,935.43 = 31,324.42 : x
  2. Step 2: Convert to fraction form
    56,474.92/77,935.43 = 31,324.42/x
  3. Step 3: Cross multiply
    56,474.92x = 77,935.43 × 31,324.42
  4. Step 4: Simplify right side
    56,474.92x = 2,441,282,142.20
  5. Step 5: Solve for x
    x = 2,441,282,142.20/56,474.92
  6. Step 6: Final answer
    x = 43,227.72

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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.