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Finding the Fourth Proportional to 7,204, 9,920.46 and 6,900.52

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Solution

The fourth proportional to 7,204, 9,920.46 and 6,900.52 is: 9,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204 : 9,920.46 = 6,900.52 : x
  2. Step 2: Convert to fraction form
    7,204/9,920.46 = 6,900.52/x
  3. Step 3: Cross multiply
    7,204x = 9,920.46 × 6,900.52
  4. Step 4: Simplify right side
    7,204x = 68,456,332.64
  5. Step 5: Solve for x
    x = 68,456,332.64/7,204
  6. Step 6: Final answer
    x = 9,502.54

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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.