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Finding the Fourth Proportional to 7,203.91, 10,789.08 and 6,954.48

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Solution

The fourth proportional to 7,203.91, 10,789.08 and 6,954.48 is: 10,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.91 : 10,789.08 = 6,954.48 : x
  2. Step 2: Convert to fraction form
    7,203.91/10,789.08 = 6,954.48/x
  3. Step 3: Cross multiply
    7,203.91x = 10,789.08 × 6,954.48
  4. Step 4: Simplify right side
    7,203.91x = 75,032,441.08
  5. Step 5: Solve for x
    x = 75,032,441.08/7,203.91
  6. Step 6: Final answer
    x = 10,415.52

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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.