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Finding the Fourth Proportional to 7,092.56, 10,628.04 and 3,389.70

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Solution

The fourth proportional to 7,092.56, 10,628.04 and 3,389.70 is: 5,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.56 : 10,628.04 = 3,389.70 : x
  2. Step 2: Convert to fraction form
    7,092.56/10,628.04 = 3,389.70/x
  3. Step 3: Cross multiply
    7,092.56x = 10,628.04 × 3,389.70
  4. Step 4: Simplify right side
    7,092.56x = 36,025,867.19
  5. Step 5: Solve for x
    x = 36,025,867.19/7,092.56
  6. Step 6: Final answer
    x = 5,079.39

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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.