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Finding the Fourth Proportional to 16,006.68, 22,062.78 and 10,699.56

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Solution

The fourth proportional to 16,006.68, 22,062.78 and 10,699.56 is: 14,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,006.68 : 22,062.78 = 10,699.56 : x
  2. Step 2: Convert to fraction form
    16,006.68/22,062.78 = 10,699.56/x
  3. Step 3: Cross multiply
    16,006.68x = 22,062.78 × 10,699.56
  4. Step 4: Simplify right side
    16,006.68x = 236,062,038.38
  5. Step 5: Solve for x
    x = 236,062,038.38/16,006.68
  6. Step 6: Final answer
    x = 14,747.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.