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Finding the Fourth Proportional to 70,883.70, 106,288.62 and 33,433.71

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Solution

The fourth proportional to 70,883.70, 106,288.62 and 33,433.71 is: 50,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.70 : 106,288.62 = 33,433.71 : x
  2. Step 2: Convert to fraction form
    70,883.70/106,288.62 = 33,433.71/x
  3. Step 3: Cross multiply
    70,883.70x = 106,288.62 × 33,433.71
  4. Step 4: Simplify right side
    70,883.70x = 3,553,622,897.38
  5. Step 5: Solve for x
    x = 3,553,622,897.38/70,883.70
  6. Step 6: Final answer
    x = 50,133.15

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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.