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Finding the Fourth Proportional to 17,206.41, 25,807.18 and 5,518.11

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Solution

The fourth proportional to 17,206.41, 25,807.18 and 5,518.11 is: 8,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.41 : 25,807.18 = 5,518.11 : x
  2. Step 2: Convert to fraction form
    17,206.41/25,807.18 = 5,518.11/x
  3. Step 3: Cross multiply
    17,206.41x = 25,807.18 × 5,518.11
  4. Step 4: Simplify right side
    17,206.41x = 142,406,858.03
  5. Step 5: Solve for x
    x = 142,406,858.03/17,206.41
  6. Step 6: Final answer
    x = 8,276.38

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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.