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Finding the Fourth Proportional to 28,804.44, 43,205.22 and 11,277.48

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Solution

The fourth proportional to 28,804.44, 43,205.22 and 11,277.48 is: 16,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.44 : 43,205.22 = 11,277.48 : x
  2. Step 2: Convert to fraction form
    28,804.44/43,205.22 = 11,277.48/x
  3. Step 3: Cross multiply
    28,804.44x = 43,205.22 × 11,277.48
  4. Step 4: Simplify right side
    28,804.44x = 487,246,004.45
  5. Step 5: Solve for x
    x = 487,246,004.45/28,804.44
  6. Step 6: Final answer
    x = 16,915.66

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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.