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Finding the Fourth Proportional to 50,548.92, 69,758.22 and 27,888.90

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Solution

The fourth proportional to 50,548.92, 69,758.22 and 27,888.90 is: 38,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,548.92 : 69,758.22 = 27,888.90 : x
  2. Step 2: Convert to fraction form
    50,548.92/69,758.22 = 27,888.90/x
  3. Step 3: Cross multiply
    50,548.92x = 69,758.22 × 27,888.90
  4. Step 4: Simplify right side
    50,548.92x = 1,945,480,021.76
  5. Step 5: Solve for x
    x = 1,945,480,021.76/50,548.92
  6. Step 6: Final answer
    x = 38,487.07

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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.