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Finding the Fourth Proportional to 6,801.80, 10,202.70 and 2,424.20

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Solution

The fourth proportional to 6,801.80, 10,202.70 and 2,424.20 is: 3,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.80 : 10,202.70 = 2,424.20 : x
  2. Step 2: Convert to fraction form
    6,801.80/10,202.70 = 2,424.20/x
  3. Step 3: Cross multiply
    6,801.80x = 10,202.70 × 2,424.20
  4. Step 4: Simplify right side
    6,801.80x = 24,733,385.34
  5. Step 5: Solve for x
    x = 24,733,385.34/6,801.80
  6. Step 6: Final answer
    x = 3,636.30

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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.