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Finding the Fourth Proportional to 50,636.76, 69,877.50 and 27,977.92

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Solution

The fourth proportional to 50,636.76, 69,877.50 and 27,977.92 is: 38,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,636.76 : 69,877.50 = 27,977.92 : x
  2. Step 2: Convert to fraction form
    50,636.76/69,877.50 = 27,977.92/x
  3. Step 3: Cross multiply
    50,636.76x = 69,877.50 × 27,977.92
  4. Step 4: Simplify right side
    50,636.76x = 1,955,027,104.80
  5. Step 5: Solve for x
    x = 1,955,027,104.80/50,636.76
  6. Step 6: Final answer
    x = 38,608.85

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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.