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Finding the Fourth Proportional to 31,497.56, 43,471.44 and 23,931.56

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Solution

The fourth proportional to 31,497.56, 43,471.44 and 23,931.56 is: 33,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.56 : 43,471.44 = 23,931.56 : x
  2. Step 2: Convert to fraction form
    31,497.56/43,471.44 = 23,931.56/x
  3. Step 3: Cross multiply
    31,497.56x = 43,471.44 × 23,931.56
  4. Step 4: Simplify right side
    31,497.56x = 1,040,339,374.65
  5. Step 5: Solve for x
    x = 1,040,339,374.65/31,497.56
  6. Step 6: Final answer
    x = 33,029.21

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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.