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Finding the Fourth Proportional to 6,848.60, 10,269.90 and 3,149.60

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Solution

The fourth proportional to 6,848.60, 10,269.90 and 3,149.60 is: 4,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.60 : 10,269.90 = 3,149.60 : x
  2. Step 2: Convert to fraction form
    6,848.60/10,269.90 = 3,149.60/x
  3. Step 3: Cross multiply
    6,848.60x = 10,269.90 × 3,149.60
  4. Step 4: Simplify right side
    6,848.60x = 32,346,077.04
  5. Step 5: Solve for x
    x = 32,346,077.04/6,848.60
  6. Step 6: Final answer
    x = 4,723.02

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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.