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Finding the Fourth Proportional to 64,249.20, 88,670.16 and 35,959.68

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Solution

The fourth proportional to 64,249.20, 88,670.16 and 35,959.68 is: 49,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,249.20 : 88,670.16 = 35,959.68 : x
  2. Step 2: Convert to fraction form
    64,249.20/88,670.16 = 35,959.68/x
  3. Step 3: Cross multiply
    64,249.20x = 88,670.16 × 35,959.68
  4. Step 4: Simplify right side
    64,249.20x = 3,188,550,579.15
  5. Step 5: Solve for x
    x = 3,188,550,579.15/64,249.20
  6. Step 6: Final answer
    x = 49,627.86

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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.