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Finding the Fourth Proportional to 64,445.12, 96,640.32 and 24,994.88

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Solution

The fourth proportional to 64,445.12, 96,640.32 and 24,994.88 is: 37,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,445.12 : 96,640.32 = 24,994.88 : x
  2. Step 2: Convert to fraction form
    64,445.12/96,640.32 = 24,994.88/x
  3. Step 3: Cross multiply
    64,445.12x = 96,640.32 × 24,994.88
  4. Step 4: Simplify right side
    64,445.12x = 2,415,513,201.56
  5. Step 5: Solve for x
    x = 2,415,513,201.56/64,445.12
  6. Step 6: Final answer
    x = 37,481.71

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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.