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Finding the Fourth Proportional to 28,957.54, 43,408.56 and 9,223.31

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Solution

The fourth proportional to 28,957.54, 43,408.56 and 9,223.31 is: 13,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.54 : 43,408.56 = 9,223.31 : x
  2. Step 2: Convert to fraction form
    28,957.54/43,408.56 = 9,223.31/x
  3. Step 3: Cross multiply
    28,957.54x = 43,408.56 × 9,223.31
  4. Step 4: Simplify right side
    28,957.54x = 400,370,388.49
  5. Step 5: Solve for x
    x = 400,370,388.49/28,957.54
  6. Step 6: Final answer
    x = 13,826.12

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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.