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Finding the Fourth Proportional to 19,194.48, 28,795.65 and 8,101.17

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Solution

The fourth proportional to 19,194.48, 28,795.65 and 8,101.17 is: 12,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.48 : 28,795.65 = 8,101.17 : x
  2. Step 2: Convert to fraction form
    19,194.48/28,795.65 = 8,101.17/x
  3. Step 3: Cross multiply
    19,194.48x = 28,795.65 × 8,101.17
  4. Step 4: Simplify right side
    19,194.48x = 233,278,455.91
  5. Step 5: Solve for x
    x = 233,278,455.91/19,194.48
  6. Step 6: Final answer
    x = 12,153.41

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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.