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Finding the Fourth Proportional to 16,897.99, 25,347.05 and 5,807.87

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Solution

The fourth proportional to 16,897.99, 25,347.05 and 5,807.87 is: 8,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.99 : 25,347.05 = 5,807.87 : x
  2. Step 2: Convert to fraction form
    16,897.99/25,347.05 = 5,807.87/x
  3. Step 3: Cross multiply
    16,897.99x = 25,347.05 × 5,807.87
  4. Step 4: Simplify right side
    16,897.99x = 147,212,371.28
  5. Step 5: Solve for x
    x = 147,212,371.28/16,897.99
  6. Step 6: Final answer
    x = 8,711.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.