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Finding the Fourth Proportional to 50,480.55, 69,662.84 and 27,819.72

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Solution

The fourth proportional to 50,480.55, 69,662.84 and 27,819.72 is: 38,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,480.55 : 69,662.84 = 27,819.72 : x
  2. Step 2: Convert to fraction form
    50,480.55/69,662.84 = 27,819.72/x
  3. Step 3: Cross multiply
    50,480.55x = 69,662.84 × 27,819.72
  4. Step 4: Simplify right side
    50,480.55x = 1,938,000,564.11
  5. Step 5: Solve for x
    x = 1,938,000,564.11/50,480.55
  6. Step 6: Final answer
    x = 38,391.04

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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.