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Finding the Fourth Proportional to 11,398.99, 17,102.43 and 4,004.50

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Solution

The fourth proportional to 11,398.99, 17,102.43 and 4,004.50 is: 6,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.99 : 17,102.43 = 4,004.50 : x
  2. Step 2: Convert to fraction form
    11,398.99/17,102.43 = 4,004.50/x
  3. Step 3: Cross multiply
    11,398.99x = 17,102.43 × 4,004.50
  4. Step 4: Simplify right side
    11,398.99x = 68,486,575.40
  5. Step 5: Solve for x
    x = 68,486,575.40/11,398.99
  6. Step 6: Final answer
    x = 6,008.13

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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.