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Finding the Fourth Proportional to 6,650.64, 9,178.11 and 4,133.03

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Solution

The fourth proportional to 6,650.64, 9,178.11 and 4,133.03 is: 5,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.64 : 9,178.11 = 4,133.03 : x
  2. Step 2: Convert to fraction form
    6,650.64/9,178.11 = 4,133.03/x
  3. Step 3: Cross multiply
    6,650.64x = 9,178.11 × 4,133.03
  4. Step 4: Simplify right side
    6,650.64x = 37,933,358.08
  5. Step 5: Solve for x
    x = 37,933,358.08/6,650.64
  6. Step 6: Final answer
    x = 5,703.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.