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Finding the Fourth Proportional to 6,945.04, 10,353.24 and 6,838.48

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Solution

The fourth proportional to 6,945.04, 10,353.24 and 6,838.48 is: 10,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.04 : 10,353.24 = 6,838.48 : x
  2. Step 2: Convert to fraction form
    6,945.04/10,353.24 = 6,838.48/x
  3. Step 3: Cross multiply
    6,945.04x = 10,353.24 × 6,838.48
  4. Step 4: Simplify right side
    6,945.04x = 70,800,424.68
  5. Step 5: Solve for x
    x = 70,800,424.68/6,945.04
  6. Step 6: Final answer
    x = 10,194.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.