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Finding the Fourth Proportional to 11,655, 17,477.22 and 3,333

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Solution

The fourth proportional to 11,655, 17,477.22 and 3,333 is: 4,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655 : 17,477.22 = 3,333 : x
  2. Step 2: Convert to fraction form
    11,655/17,477.22 = 3,333/x
  3. Step 3: Cross multiply
    11,655x = 17,477.22 × 3,333
  4. Step 4: Simplify right side
    11,655x = 58,251,574.26
  5. Step 5: Solve for x
    x = 58,251,574.26/11,655
  6. Step 6: Final answer
    x = 4,997.99

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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.