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Finding the Fourth Proportional to 11,112.01, 16,569.99 and 11,012

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Solution

The fourth proportional to 11,112.01, 16,569.99 and 11,012 is: 16,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.01 : 16,569.99 = 11,012 : x
  2. Step 2: Convert to fraction form
    11,112.01/16,569.99 = 11,012/x
  3. Step 3: Cross multiply
    11,112.01x = 16,569.99 × 11,012
  4. Step 4: Simplify right side
    11,112.01x = 182,468,729.88
  5. Step 5: Solve for x
    x = 182,468,729.88/11,112.01
  6. Step 6: Final answer
    x = 16,420.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.