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Finding the Fourth Proportional to 11,288.48, 16,923.48 and 4,264.51

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Solution

The fourth proportional to 11,288.48, 16,923.48 and 4,264.51 is: 6,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.48 : 16,923.48 = 4,264.51 : x
  2. Step 2: Convert to fraction form
    11,288.48/16,923.48 = 4,264.51/x
  3. Step 3: Cross multiply
    11,288.48x = 16,923.48 × 4,264.51
  4. Step 4: Simplify right side
    11,288.48x = 72,170,318.05
  5. Step 5: Solve for x
    x = 72,170,318.05/11,288.48
  6. Step 6: Final answer
    x = 6,393.27

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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.