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Finding the Fourth Proportional to 17,219.58, 25,829.65 and 4,739.52

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Solution

The fourth proportional to 17,219.58, 25,829.65 and 4,739.52 is: 7,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.58 : 25,829.65 = 4,739.52 : x
  2. Step 2: Convert to fraction form
    17,219.58/25,829.65 = 4,739.52/x
  3. Step 3: Cross multiply
    17,219.58x = 25,829.65 × 4,739.52
  4. Step 4: Simplify right side
    17,219.58x = 122,420,245.55
  5. Step 5: Solve for x
    x = 122,420,245.55/17,219.58
  6. Step 6: Final answer
    x = 7,109.36

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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.