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Finding the Fourth Proportional to 7,092.92, 10,634.81 and 3,395.06

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Solution

The fourth proportional to 7,092.92, 10,634.81 and 3,395.06 is: 5,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.92 : 10,634.81 = 3,395.06 : x
  2. Step 2: Convert to fraction form
    7,092.92/10,634.81 = 3,395.06/x
  3. Step 3: Cross multiply
    7,092.92x = 10,634.81 × 3,395.06
  4. Step 4: Simplify right side
    7,092.92x = 36,105,818.04
  5. Step 5: Solve for x
    x = 36,105,818.04/7,092.92
  6. Step 6: Final answer
    x = 5,090.40

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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.