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Finding the Fourth Proportional to 29,889.20, 44,812.20 and 16,745.60

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Solution

The fourth proportional to 29,889.20, 44,812.20 and 16,745.60 is: 25,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.20 : 44,812.20 = 16,745.60 : x
  2. Step 2: Convert to fraction form
    29,889.20/44,812.20 = 16,745.60/x
  3. Step 3: Cross multiply
    29,889.20x = 44,812.20 × 16,745.60
  4. Step 4: Simplify right side
    29,889.20x = 750,407,176.32
  5. Step 5: Solve for x
    x = 750,407,176.32/29,889.20
  6. Step 6: Final answer
    x = 25,106.30

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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.