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Finding the Fourth Proportional to 6,648.16, 9,976.02 and 2,491.06

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Solution

The fourth proportional to 6,648.16, 9,976.02 and 2,491.06 is: 3,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.16 : 9,976.02 = 2,491.06 : x
  2. Step 2: Convert to fraction form
    6,648.16/9,976.02 = 2,491.06/x
  3. Step 3: Cross multiply
    6,648.16x = 9,976.02 × 2,491.06
  4. Step 4: Simplify right side
    6,648.16x = 24,850,864.38
  5. Step 5: Solve for x
    x = 24,850,864.38/6,648.16
  6. Step 6: Final answer
    x = 3,738.01

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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.