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Finding the Fourth Proportional to 44,212.57, 66,323.60 and 18,914.71

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Solution

The fourth proportional to 44,212.57, 66,323.60 and 18,914.71 is: 28,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,212.57 : 66,323.60 = 18,914.71 : x
  2. Step 2: Convert to fraction form
    44,212.57/66,323.60 = 18,914.71/x
  3. Step 3: Cross multiply
    44,212.57x = 66,323.60 × 18,914.71
  4. Step 4: Simplify right side
    44,212.57x = 1,254,491,660.16
  5. Step 5: Solve for x
    x = 1,254,491,660.16/44,212.57
  6. Step 6: Final answer
    x = 28,374.09

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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.