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Finding the Fourth Proportional to 6,214.73, 9,319.05 and 3,843.05

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Solution

The fourth proportional to 6,214.73, 9,319.05 and 3,843.05 is: 5,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.73 : 9,319.05 = 3,843.05 : x
  2. Step 2: Convert to fraction form
    6,214.73/9,319.05 = 3,843.05/x
  3. Step 3: Cross multiply
    6,214.73x = 9,319.05 × 3,843.05
  4. Step 4: Simplify right side
    6,214.73x = 35,813,528.51
  5. Step 5: Solve for x
    x = 35,813,528.51/6,214.73
  6. Step 6: Final answer
    x = 5,762.69

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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.