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Finding the Fourth Proportional to 15,330.40, 22,983.03 and 7,936.97

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Solution

The fourth proportional to 15,330.40, 22,983.03 and 7,936.97 is: 11,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.40 : 22,983.03 = 7,936.97 : x
  2. Step 2: Convert to fraction form
    15,330.40/22,983.03 = 7,936.97/x
  3. Step 3: Cross multiply
    15,330.40x = 22,983.03 × 7,936.97
  4. Step 4: Simplify right side
    15,330.40x = 182,415,504.70
  5. Step 5: Solve for x
    x = 182,415,504.70/15,330.40
  6. Step 6: Final answer
    x = 11,898.94

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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.