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Finding the Fourth Proportional to 67,649.42, 101,471.74 and 17,729.12

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Solution

The fourth proportional to 67,649.42, 101,471.74 and 17,729.12 is: 26,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649.42 : 101,471.74 = 17,729.12 : x
  2. Step 2: Convert to fraction form
    67,649.42/101,471.74 = 17,729.12/x
  3. Step 3: Cross multiply
    67,649.42x = 101,471.74 × 17,729.12
  4. Step 4: Simplify right side
    67,649.42x = 1,799,004,655.07
  5. Step 5: Solve for x
    x = 1,799,004,655.07/67,649.42
  6. Step 6: Final answer
    x = 26,593.05

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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.