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Finding the Fourth Proportional to 28,949.24, 43,427.02 and 9,223.16

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Solution

The fourth proportional to 28,949.24, 43,427.02 and 9,223.16 is: 13,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.24 : 43,427.02 = 9,223.16 : x
  2. Step 2: Convert to fraction form
    28,949.24/43,427.02 = 9,223.16/x
  3. Step 3: Cross multiply
    28,949.24x = 43,427.02 × 9,223.16
  4. Step 4: Simplify right side
    28,949.24x = 400,534,353.78
  5. Step 5: Solve for x
    x = 400,534,353.78/28,949.24
  6. Step 6: Final answer
    x = 13,835.75

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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.