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Finding the Fourth Proportional to 14,269.83, 19,692 and 7,896.66

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Solution

The fourth proportional to 14,269.83, 19,692 and 7,896.66 is: 10,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.83 : 19,692 = 7,896.66 : x
  2. Step 2: Convert to fraction form
    14,269.83/19,692 = 7,896.66/x
  3. Step 3: Cross multiply
    14,269.83x = 19,692 × 7,896.66
  4. Step 4: Simplify right side
    14,269.83x = 155,501,028.72
  5. Step 5: Solve for x
    x = 155,501,028.72/14,269.83
  6. Step 6: Final answer
    x = 10,897.19

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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.