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Finding the Fourth Proportional to 50,498.85, 69,662.76 and 38,541.44

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Solution

The fourth proportional to 50,498.85, 69,662.76 and 38,541.44 is: 53,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,498.85 : 69,662.76 = 38,541.44 : x
  2. Step 2: Convert to fraction form
    50,498.85/69,662.76 = 38,541.44/x
  3. Step 3: Cross multiply
    50,498.85x = 69,662.76 × 38,541.44
  4. Step 4: Simplify right side
    50,498.85x = 2,684,902,736.46
  5. Step 5: Solve for x
    x = 2,684,902,736.46/50,498.85
  6. Step 6: Final answer
    x = 53,167.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.