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Finding the Fourth Proportional to 23,291.28, 34,936.92 and 7,709.04

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Solution

The fourth proportional to 23,291.28, 34,936.92 and 7,709.04 is: 11,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.28 : 34,936.92 = 7,709.04 : x
  2. Step 2: Convert to fraction form
    23,291.28/34,936.92 = 7,709.04/x
  3. Step 3: Cross multiply
    23,291.28x = 34,936.92 × 7,709.04
  4. Step 4: Simplify right side
    23,291.28x = 269,330,113.76
  5. Step 5: Solve for x
    x = 269,330,113.76/23,291.28
  6. Step 6: Final answer
    x = 11,563.56

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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.