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Finding the Fourth Proportional to 21,083, 29,092.02 and 11,650.28

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Solution

The fourth proportional to 21,083, 29,092.02 and 11,650.28 is: 16,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083 : 29,092.02 = 11,650.28 : x
  2. Step 2: Convert to fraction form
    21,083/29,092.02 = 11,650.28/x
  3. Step 3: Cross multiply
    21,083x = 29,092.02 × 11,650.28
  4. Step 4: Simplify right side
    21,083x = 338,930,178.77
  5. Step 5: Solve for x
    x = 338,930,178.77/21,083
  6. Step 6: Final answer
    x = 16,075.99

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