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Finding the Fourth Proportional to 31,959.63, 47,939.04 and 9,773.73

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Solution

The fourth proportional to 31,959.63, 47,939.04 and 9,773.73 is: 14,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.63 : 47,939.04 = 9,773.73 : x
  2. Step 2: Convert to fraction form
    31,959.63/47,939.04 = 9,773.73/x
  3. Step 3: Cross multiply
    31,959.63x = 47,939.04 × 9,773.73
  4. Step 4: Simplify right side
    31,959.63x = 468,543,233.42
  5. Step 5: Solve for x
    x = 468,543,233.42/31,959.63
  6. Step 6: Final answer
    x = 14,660.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.