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Finding the Fourth Proportional to 6,818.76, 10,226.10 and 2,435.22

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Solution

The fourth proportional to 6,818.76, 10,226.10 and 2,435.22 is: 3,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.76 : 10,226.10 = 2,435.22 : x
  2. Step 2: Convert to fraction form
    6,818.76/10,226.10 = 2,435.22/x
  3. Step 3: Cross multiply
    6,818.76x = 10,226.10 × 2,435.22
  4. Step 4: Simplify right side
    6,818.76x = 24,902,803.24
  5. Step 5: Solve for x
    x = 24,902,803.24/6,818.76
  6. Step 6: Final answer
    x = 3,652.10

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Double scale
Find fourth proportional to 6,819.76, 10,227.60 and 2,436.22
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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.