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Finding the Fourth Proportional to 44,383.20, 66,103.86 and 44,168.55

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Solution

The fourth proportional to 44,383.20, 66,103.86 and 44,168.55 is: 65,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,383.20 : 66,103.86 = 44,168.55 : x
  2. Step 2: Convert to fraction form
    44,383.20/66,103.86 = 44,168.55/x
  3. Step 3: Cross multiply
    44,383.20x = 66,103.86 × 44,168.55
  4. Step 4: Simplify right side
    44,383.20x = 2,919,711,645.60
  5. Step 5: Solve for x
    x = 2,919,711,645.60/44,383.20
  6. Step 6: Final answer
    x = 65,784.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.