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Finding the Fourth Proportional to 6,740.22, 9,287.82 and 6,273.12

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Solution

The fourth proportional to 6,740.22, 9,287.82 and 6,273.12 is: 8,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.22 : 9,287.82 = 6,273.12 : x
  2. Step 2: Convert to fraction form
    6,740.22/9,287.82 = 6,273.12/x
  3. Step 3: Cross multiply
    6,740.22x = 9,287.82 × 6,273.12
  4. Step 4: Simplify right side
    6,740.22x = 58,263,609.40
  5. Step 5: Solve for x
    x = 58,263,609.40/6,740.22
  6. Step 6: Final answer
    x = 8,644.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.