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Finding the Fourth Proportional to 50,560.96, 69,774.88 and 27,899.60

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Solution

The fourth proportional to 50,560.96, 69,774.88 and 27,899.60 is: 38,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,560.96 : 69,774.88 = 27,899.60 : x
  2. Step 2: Convert to fraction form
    50,560.96/69,774.88 = 27,899.60/x
  3. Step 3: Cross multiply
    50,560.96x = 69,774.88 × 27,899.60
  4. Step 4: Simplify right side
    50,560.96x = 1,946,691,242.05
  5. Step 5: Solve for x
    x = 1,946,691,242.05/50,560.96
  6. Step 6: Final answer
    x = 38,501.86

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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.