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Finding the Fourth Proportional to 6,748.60, 10,122.96 and 2,068.60

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Solution

The fourth proportional to 6,748.60, 10,122.96 and 2,068.60 is: 3,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.60 : 10,122.96 = 2,068.60 : x
  2. Step 2: Convert to fraction form
    6,748.60/10,122.96 = 2,068.60/x
  3. Step 3: Cross multiply
    6,748.60x = 10,122.96 × 2,068.60
  4. Step 4: Simplify right side
    6,748.60x = 20,940,355.06
  5. Step 5: Solve for x
    x = 20,940,355.06/6,748.60
  6. Step 6: Final answer
    x = 3,102.92

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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.