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Finding the Fourth Proportional to 28,745.44, 43,118.05 and 9,025.46

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Solution

The fourth proportional to 28,745.44, 43,118.05 and 9,025.46 is: 13,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,745.44 : 43,118.05 = 9,025.46 : x
  2. Step 2: Convert to fraction form
    28,745.44/43,118.05 = 9,025.46/x
  3. Step 3: Cross multiply
    28,745.44x = 43,118.05 × 9,025.46
  4. Step 4: Simplify right side
    28,745.44x = 389,160,235.55
  5. Step 5: Solve for x
    x = 389,160,235.55/28,745.44
  6. Step 6: Final answer
    x = 13,538.16

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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.