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Finding the Fourth Proportional to 64,170.82, 88,463.10 and 43,995.75

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Solution

The fourth proportional to 64,170.82, 88,463.10 and 43,995.75 is: 60,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.82 : 88,463.10 = 43,995.75 : x
  2. Step 2: Convert to fraction form
    64,170.82/88,463.10 = 43,995.75/x
  3. Step 3: Cross multiply
    64,170.82x = 88,463.10 × 43,995.75
  4. Step 4: Simplify right side
    64,170.82x = 3,892,000,431.83
  5. Step 5: Solve for x
    x = 3,892,000,431.83/64,170.82
  6. Step 6: Final answer
    x = 60,650.63

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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.