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Finding the Fourth Proportional to 64,195.85, 96,241.60 and 26,783.79

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Solution

The fourth proportional to 64,195.85, 96,241.60 and 26,783.79 is: 40,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.85 : 96,241.60 = 26,783.79 : x
  2. Step 2: Convert to fraction form
    64,195.85/96,241.60 = 26,783.79/x
  3. Step 3: Cross multiply
    64,195.85x = 96,241.60 × 26,783.79
  4. Step 4: Simplify right side
    64,195.85x = 2,577,714,736.70
  5. Step 5: Solve for x
    x = 2,577,714,736.70/64,195.85
  6. Step 6: Final answer
    x = 40,153.92

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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.