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Finding the Fourth Proportional to 7,103.54, 10,654.83 and 6,622.58

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Solution

The fourth proportional to 7,103.54, 10,654.83 and 6,622.58 is: 9,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.54 : 10,654.83 = 6,622.58 : x
  2. Step 2: Convert to fraction form
    7,103.54/10,654.83 = 6,622.58/x
  3. Step 3: Cross multiply
    7,103.54x = 10,654.83 × 6,622.58
  4. Step 4: Simplify right side
    7,103.54x = 70,562,464.06
  5. Step 5: Solve for x
    x = 70,562,464.06/7,103.54
  6. Step 6: Final answer
    x = 9,933.42

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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.