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Finding the Fourth Proportional to 18,050.51, 27,064.24 and 8,671.87

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Solution

The fourth proportional to 18,050.51, 27,064.24 and 8,671.87 is: 13,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.51 : 27,064.24 = 8,671.87 : x
  2. Step 2: Convert to fraction form
    18,050.51/27,064.24 = 8,671.87/x
  3. Step 3: Cross multiply
    18,050.51x = 27,064.24 × 8,671.87
  4. Step 4: Simplify right side
    18,050.51x = 234,697,392.25
  5. Step 5: Solve for x
    x = 234,697,392.25/18,050.51
  6. Step 6: Final answer
    x = 13,002.26

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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.