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Finding the Fourth Proportional to 44,138.80, 66,233.80 and 16,439.60

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Solution

The fourth proportional to 44,138.80, 66,233.80 and 16,439.60 is: 24,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,138.80 : 66,233.80 = 16,439.60 : x
  2. Step 2: Convert to fraction form
    44,138.80/66,233.80 = 16,439.60/x
  3. Step 3: Cross multiply
    44,138.80x = 66,233.80 × 16,439.60
  4. Step 4: Simplify right side
    44,138.80x = 1,088,857,178.48
  5. Step 5: Solve for x
    x = 1,088,857,178.48/44,138.80
  6. Step 6: Final answer
    x = 24,668.93

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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.