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Finding the Fourth Proportional to 66,592.41, 99,873.63 and 19,197.29

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Solution

The fourth proportional to 66,592.41, 99,873.63 and 19,197.29 is: 28,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,592.41 : 99,873.63 = 19,197.29 : x
  2. Step 2: Convert to fraction form
    66,592.41/99,873.63 = 19,197.29/x
  3. Step 3: Cross multiply
    66,592.41x = 99,873.63 × 19,197.29
  4. Step 4: Simplify right side
    66,592.41x = 1,917,302,539.09
  5. Step 5: Solve for x
    x = 1,917,302,539.09/66,592.41
  6. Step 6: Final answer
    x = 28,791.61

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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.