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Finding the Fourth Proportional to 8,755.28, 13,125.03 and 5,945.07

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Solution

The fourth proportional to 8,755.28, 13,125.03 and 5,945.07 is: 8,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.28 : 13,125.03 = 5,945.07 : x
  2. Step 2: Convert to fraction form
    8,755.28/13,125.03 = 5,945.07/x
  3. Step 3: Cross multiply
    8,755.28x = 13,125.03 × 5,945.07
  4. Step 4: Simplify right side
    8,755.28x = 78,029,222.10
  5. Step 5: Solve for x
    x = 78,029,222.10/8,755.28
  6. Step 6: Final answer
    x = 8,912.25

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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.