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Finding the Fourth Proportional to 29,525.78, 44,280.77 and 20,164.22

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Solution

The fourth proportional to 29,525.78, 44,280.77 and 20,164.22 is: 30,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,525.78 : 44,280.77 = 20,164.22 : x
  2. Step 2: Convert to fraction form
    29,525.78/44,280.77 = 20,164.22/x
  3. Step 3: Cross multiply
    29,525.78x = 44,280.77 × 20,164.22
  4. Step 4: Simplify right side
    29,525.78x = 892,887,188.05
  5. Step 5: Solve for x
    x = 892,887,188.05/29,525.78
  6. Step 6: Final answer
    x = 30,240.93

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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.