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Finding the Fourth Proportional to 19,058.68, 28,582.83 and 7,963.04

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Solution

The fourth proportional to 19,058.68, 28,582.83 and 7,963.04 is: 11,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.68 : 28,582.83 = 7,963.04 : x
  2. Step 2: Convert to fraction form
    19,058.68/28,582.83 = 7,963.04/x
  3. Step 3: Cross multiply
    19,058.68x = 28,582.83 × 7,963.04
  4. Step 4: Simplify right side
    19,058.68x = 227,606,218.60
  5. Step 5: Solve for x
    x = 227,606,218.60/19,058.68
  6. Step 6: Final answer
    x = 11,942.39

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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.