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Finding the Fourth Proportional to 31,992.59, 47,994.51 and 10,927.70

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Solution

The fourth proportional to 31,992.59, 47,994.51 and 10,927.70 is: 16,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.59 : 47,994.51 = 10,927.70 : x
  2. Step 2: Convert to fraction form
    31,992.59/47,994.51 = 10,927.70/x
  3. Step 3: Cross multiply
    31,992.59x = 47,994.51 × 10,927.70
  4. Step 4: Simplify right side
    31,992.59x = 524,469,366.95
  5. Step 5: Solve for x
    x = 524,469,366.95/31,992.59
  6. Step 6: Final answer
    x = 16,393.47

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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.