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Finding the Fourth Proportional to 29,645.44, 40,891.44 and 19,018.24

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Solution

The fourth proportional to 29,645.44, 40,891.44 and 19,018.24 is: 26,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.44 : 40,891.44 = 19,018.24 : x
  2. Step 2: Convert to fraction form
    29,645.44/40,891.44 = 19,018.24/x
  3. Step 3: Cross multiply
    29,645.44x = 40,891.44 × 19,018.24
  4. Step 4: Simplify right side
    29,645.44x = 777,683,219.87
  5. Step 5: Solve for x
    x = 777,683,219.87/29,645.44
  6. Step 6: Final answer
    x = 26,232.81

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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.