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Finding the Fourth Proportional to 38,662.62, 53,353.26 and 22,747.98

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Solution

The fourth proportional to 38,662.62, 53,353.26 and 22,747.98 is: 31,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662.62 : 53,353.26 = 22,747.98 : x
  2. Step 2: Convert to fraction form
    38,662.62/53,353.26 = 22,747.98/x
  3. Step 3: Cross multiply
    38,662.62x = 53,353.26 × 22,747.98
  4. Step 4: Simplify right side
    38,662.62x = 1,213,678,891.41
  5. Step 5: Solve for x
    x = 1,213,678,891.41/38,662.62
  6. Step 6: Final answer
    x = 31,391.53

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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.