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Finding the Fourth Proportional to 6,690.34, 10,035.42 and 2,073.34

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Solution

The fourth proportional to 6,690.34, 10,035.42 and 2,073.34 is: 3,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.34 : 10,035.42 = 2,073.34 : x
  2. Step 2: Convert to fraction form
    6,690.34/10,035.42 = 2,073.34/x
  3. Step 3: Cross multiply
    6,690.34x = 10,035.42 × 2,073.34
  4. Step 4: Simplify right side
    6,690.34x = 20,806,837.70
  5. Step 5: Solve for x
    x = 20,806,837.70/6,690.34
  6. Step 6: Final answer
    x = 3,109.98

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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.