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Finding the Fourth Proportional to 16,709.97, 25,064.65 and 6,719.11

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Solution

The fourth proportional to 16,709.97, 25,064.65 and 6,719.11 is: 10,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.97 : 25,064.65 = 6,719.11 : x
  2. Step 2: Convert to fraction form
    16,709.97/25,064.65 = 6,719.11/x
  3. Step 3: Cross multiply
    16,709.97x = 25,064.65 × 6,719.11
  4. Step 4: Simplify right side
    16,709.97x = 168,412,140.46
  5. Step 5: Solve for x
    x = 168,412,140.46/16,709.97
  6. Step 6: Final answer
    x = 10,078.54

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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.