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Finding the Fourth Proportional to 6,243.65, 8,626.37 and 6,182.21

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Solution

The fourth proportional to 6,243.65, 8,626.37 and 6,182.21 is: 8,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.65 : 8,626.37 = 6,182.21 : x
  2. Step 2: Convert to fraction form
    6,243.65/8,626.37 = 6,182.21/x
  3. Step 3: Cross multiply
    6,243.65x = 8,626.37 × 6,182.21
  4. Step 4: Simplify right side
    6,243.65x = 53,329,999.97
  5. Step 5: Solve for x
    x = 53,329,999.97/6,243.65
  6. Step 6: Final answer
    x = 8,541.48

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Half scale
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Double scale
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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.