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Finding the Fourth Proportional to 60,022.72, 90,018.24 and 17,891.44

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Solution

The fourth proportional to 60,022.72, 90,018.24 and 17,891.44 is: 26,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,022.72 : 90,018.24 = 17,891.44 : x
  2. Step 2: Convert to fraction form
    60,022.72/90,018.24 = 17,891.44/x
  3. Step 3: Cross multiply
    60,022.72x = 90,018.24 × 17,891.44
  4. Step 4: Simplify right side
    60,022.72x = 1,610,555,939.87
  5. Step 5: Solve for x
    x = 1,610,555,939.87/60,022.72
  6. Step 6: Final answer
    x = 26,832.44

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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.