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Finding the Fourth Proportional to 73,874.94, 110,812.41 and 18,470.94

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Solution

The fourth proportional to 73,874.94, 110,812.41 and 18,470.94 is: 27,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,874.94 : 110,812.41 = 18,470.94 : x
  2. Step 2: Convert to fraction form
    73,874.94/110,812.41 = 18,470.94/x
  3. Step 3: Cross multiply
    73,874.94x = 110,812.41 × 18,470.94
  4. Step 4: Simplify right side
    73,874.94x = 2,046,809,376.37
  5. Step 5: Solve for x
    x = 2,046,809,376.37/73,874.94
  6. Step 6: Final answer
    x = 27,706.41

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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.