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Finding the Fourth Proportional to 16,804.77, 25,207.15 and 5,719.41

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Solution

The fourth proportional to 16,804.77, 25,207.15 and 5,719.41 is: 8,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.77 : 25,207.15 = 5,719.41 : x
  2. Step 2: Convert to fraction form
    16,804.77/25,207.15 = 5,719.41/x
  3. Step 3: Cross multiply
    16,804.77x = 25,207.15 × 5,719.41
  4. Step 4: Simplify right side
    16,804.77x = 144,170,022.21
  5. Step 5: Solve for x
    x = 144,170,022.21/16,804.77
  6. Step 6: Final answer
    x = 8,579.12

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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.