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Finding the Fourth Proportional to 23,274.56, 34,911.72 and 9,945.56

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Solution

The fourth proportional to 23,274.56, 34,911.72 and 9,945.56 is: 14,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,274.56 : 34,911.72 = 9,945.56 : x
  2. Step 2: Convert to fraction form
    23,274.56/34,911.72 = 9,945.56/x
  3. Step 3: Cross multiply
    23,274.56x = 34,911.72 × 9,945.56
  4. Step 4: Simplify right side
    23,274.56x = 347,216,605.96
  5. Step 5: Solve for x
    x = 347,216,605.96/23,274.56
  6. Step 6: Final answer
    x = 14,918.29

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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.