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Finding the Fourth Proportional to 70,705.54, 106,035.74 and 23,311.80

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Solution

The fourth proportional to 70,705.54, 106,035.74 and 23,311.80 is: 34,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.54 : 106,035.74 = 23,311.80 : x
  2. Step 2: Convert to fraction form
    70,705.54/106,035.74 = 23,311.80/x
  3. Step 3: Cross multiply
    70,705.54x = 106,035.74 × 23,311.80
  4. Step 4: Simplify right side
    70,705.54x = 2,471,883,963.73
  5. Step 5: Solve for x
    x = 2,471,883,963.73/70,705.54
  6. Step 6: Final answer
    x = 34,960.26

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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.