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Finding the Fourth Proportional to 19,340.44, 29,014.34 and 5,489.44

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Solution

The fourth proportional to 19,340.44, 29,014.34 and 5,489.44 is: 8,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.44 : 29,014.34 = 5,489.44 : x
  2. Step 2: Convert to fraction form
    19,340.44/29,014.34 = 5,489.44/x
  3. Step 3: Cross multiply
    19,340.44x = 29,014.34 × 5,489.44
  4. Step 4: Simplify right side
    19,340.44x = 159,272,378.59
  5. Step 5: Solve for x
    x = 159,272,378.59/19,340.44
  6. Step 6: Final answer
    x = 8,235.20

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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.