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Finding the Fourth Proportional to 6,620.89, 9,935.52 and 3,701.11

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Solution

The fourth proportional to 6,620.89, 9,935.52 and 3,701.11 is: 5,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.89 : 9,935.52 = 3,701.11 : x
  2. Step 2: Convert to fraction form
    6,620.89/9,935.52 = 3,701.11/x
  3. Step 3: Cross multiply
    6,620.89x = 9,935.52 × 3,701.11
  4. Step 4: Simplify right side
    6,620.89x = 36,772,452.43
  5. Step 5: Solve for x
    x = 36,772,452.43/6,620.89
  6. Step 6: Final answer
    x = 5,554.00

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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.