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Finding the Fourth Proportional to 19,693.44, 29,528.82 and 8,594.82

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Solution

The fourth proportional to 19,693.44, 29,528.82 and 8,594.82 is: 12,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.44 : 29,528.82 = 8,594.82 : x
  2. Step 2: Convert to fraction form
    19,693.44/29,528.82 = 8,594.82/x
  3. Step 3: Cross multiply
    19,693.44x = 29,528.82 × 8,594.82
  4. Step 4: Simplify right side
    19,693.44x = 253,794,964.19
  5. Step 5: Solve for x
    x = 253,794,964.19/19,693.44
  6. Step 6: Final answer
    x = 12,887.28

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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.