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Finding the Fourth Proportional to 50,809.76, 76,221.12 and 15,751.52

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Solution

The fourth proportional to 50,809.76, 76,221.12 and 15,751.52 is: 23,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.76 : 76,221.12 = 15,751.52 : x
  2. Step 2: Convert to fraction form
    50,809.76/76,221.12 = 15,751.52/x
  3. Step 3: Cross multiply
    50,809.76x = 76,221.12 × 15,751.52
  4. Step 4: Simplify right side
    50,809.76x = 1,200,598,496.10
  5. Step 5: Solve for x
    x = 1,200,598,496.10/50,809.76
  6. Step 6: Final answer
    x = 23,629.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.