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Finding the Fourth Proportional to 6,818.76, 9,406.80 and 5,244.12

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Solution

The fourth proportional to 6,818.76, 9,406.80 and 5,244.12 is: 7,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.76 : 9,406.80 = 5,244.12 : x
  2. Step 2: Convert to fraction form
    6,818.76/9,406.80 = 5,244.12/x
  3. Step 3: Cross multiply
    6,818.76x = 9,406.80 × 5,244.12
  4. Step 4: Simplify right side
    6,818.76x = 49,330,388.02
  5. Step 5: Solve for x
    x = 49,330,388.02/6,818.76
  6. Step 6: Final answer
    x = 7,234.51

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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.