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Finding the Fourth Proportional to 67,642.44, 101,468.12 and 17,723.76

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Solution

The fourth proportional to 67,642.44, 101,468.12 and 17,723.76 is: 26,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.44 : 101,468.12 = 17,723.76 : x
  2. Step 2: Convert to fraction form
    67,642.44/101,468.12 = 17,723.76/x
  3. Step 3: Cross multiply
    67,642.44x = 101,468.12 × 17,723.76
  4. Step 4: Simplify right side
    67,642.44x = 1,798,396,606.53
  5. Step 5: Solve for x
    x = 1,798,396,606.53/67,642.44
  6. Step 6: Final answer
    x = 26,586.81

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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.