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Finding the Fourth Proportional to 7,939.03, 10,969.05 and 6,273.22

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Solution

The fourth proportional to 7,939.03, 10,969.05 and 6,273.22 is: 8,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.03 : 10,969.05 = 6,273.22 : x
  2. Step 2: Convert to fraction form
    7,939.03/10,969.05 = 6,273.22/x
  3. Step 3: Cross multiply
    7,939.03x = 10,969.05 × 6,273.22
  4. Step 4: Simplify right side
    7,939.03x = 68,811,263.84
  5. Step 5: Solve for x
    x = 68,811,263.84/7,939.03
  6. Step 6: Final answer
    x = 8,667.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.