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Finding the Fourth Proportional to 6,622.01, 9,935.43 and 6,230.78

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Solution

The fourth proportional to 6,622.01, 9,935.43 and 6,230.78 is: 9,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.01 : 9,935.43 = 6,230.78 : x
  2. Step 2: Convert to fraction form
    6,622.01/9,935.43 = 6,230.78/x
  3. Step 3: Cross multiply
    6,622.01x = 9,935.43 × 6,230.78
  4. Step 4: Simplify right side
    6,622.01x = 61,905,428.86
  5. Step 5: Solve for x
    x = 61,905,428.86/6,622.01
  6. Step 6: Final answer
    x = 9,348.44

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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.