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Finding the Fourth Proportional to 16,709.69, 25,069.80 and 10,053.47

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Solution

The fourth proportional to 16,709.69, 25,069.80 and 10,053.47 is: 15,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.69 : 25,069.80 = 10,053.47 : x
  2. Step 2: Convert to fraction form
    16,709.69/25,069.80 = 10,053.47/x
  3. Step 3: Cross multiply
    16,709.69x = 25,069.80 × 10,053.47
  4. Step 4: Simplify right side
    16,709.69x = 252,038,441.56
  5. Step 5: Solve for x
    x = 252,038,441.56/16,709.69
  6. Step 6: Final answer
    x = 15,083.37

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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.