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Finding the Fourth Proportional to 6,680.60, 10,021.80 and 2,299.40

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Solution

The fourth proportional to 6,680.60, 10,021.80 and 2,299.40 is: 3,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.60 : 10,021.80 = 2,299.40 : x
  2. Step 2: Convert to fraction form
    6,680.60/10,021.80 = 2,299.40/x
  3. Step 3: Cross multiply
    6,680.60x = 10,021.80 × 2,299.40
  4. Step 4: Simplify right side
    6,680.60x = 23,044,126.92
  5. Step 5: Solve for x
    x = 23,044,126.92/6,680.60
  6. Step 6: Final answer
    x = 3,449.41

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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.