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Finding the Fourth Proportional to 19,245.44, 28,845.62 and 8,703.16

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Solution

The fourth proportional to 19,245.44, 28,845.62 and 8,703.16 is: 13,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.44 : 28,845.62 = 8,703.16 : x
  2. Step 2: Convert to fraction form
    19,245.44/28,845.62 = 8,703.16/x
  3. Step 3: Cross multiply
    19,245.44x = 28,845.62 × 8,703.16
  4. Step 4: Simplify right side
    19,245.44x = 251,048,046.16
  5. Step 5: Solve for x
    x = 251,048,046.16/19,245.44
  6. Step 6: Final answer
    x = 13,044.55

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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.