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Finding the Fourth Proportional to 6,960.08, 10,447.44 and 6,803.36

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Solution

The fourth proportional to 6,960.08, 10,447.44 and 6,803.36 is: 10,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.08 : 10,447.44 = 6,803.36 : x
  2. Step 2: Convert to fraction form
    6,960.08/10,447.44 = 6,803.36/x
  3. Step 3: Cross multiply
    6,960.08x = 10,447.44 × 6,803.36
  4. Step 4: Simplify right side
    6,960.08x = 71,077,695.40
  5. Step 5: Solve for x
    x = 71,077,695.40/6,960.08
  6. Step 6: Final answer
    x = 10,212.20

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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.