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Finding the Fourth Proportional to 19,589.41, 29,395.79 and 7,110.41

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Solution

The fourth proportional to 19,589.41, 29,395.79 and 7,110.41 is: 10,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.41 : 29,395.79 = 7,110.41 : x
  2. Step 2: Convert to fraction form
    19,589.41/29,395.79 = 7,110.41/x
  3. Step 3: Cross multiply
    19,589.41x = 29,395.79 × 7,110.41
  4. Step 4: Simplify right side
    19,589.41x = 209,015,936.64
  5. Step 5: Solve for x
    x = 209,015,936.64/19,589.41
  6. Step 6: Final answer
    x = 10,669.84

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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.