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Finding the Fourth Proportional to 10,700.99, 16,054.22 and 4,125.41

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Solution

The fourth proportional to 10,700.99, 16,054.22 and 4,125.41 is: 6,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.99 : 16,054.22 = 4,125.41 : x
  2. Step 2: Convert to fraction form
    10,700.99/16,054.22 = 4,125.41/x
  3. Step 3: Cross multiply
    10,700.99x = 16,054.22 × 4,125.41
  4. Step 4: Simplify right side
    10,700.99x = 66,230,239.73
  5. Step 5: Solve for x
    x = 66,230,239.73/10,700.99
  6. Step 6: Final answer
    x = 6,189.17

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Why These Related Problems?

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