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Finding the Fourth Proportional to 6,650.33, 9,972.45 and 2,953.69

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Solution

The fourth proportional to 6,650.33, 9,972.45 and 2,953.69 is: 4,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.33 : 9,972.45 = 2,953.69 : x
  2. Step 2: Convert to fraction form
    6,650.33/9,972.45 = 2,953.69/x
  3. Step 3: Cross multiply
    6,650.33x = 9,972.45 × 2,953.69
  4. Step 4: Simplify right side
    6,650.33x = 29,455,500.91
  5. Step 5: Solve for x
    x = 29,455,500.91/6,650.33
  6. Step 6: Final answer
    x = 4,429.18

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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.