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Finding the Fourth Proportional to 34,140.35, 47,112.77 and 19,799.29

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Solution

The fourth proportional to 34,140.35, 47,112.77 and 19,799.29 is: 27,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.35 : 47,112.77 = 19,799.29 : x
  2. Step 2: Convert to fraction form
    34,140.35/47,112.77 = 19,799.29/x
  3. Step 3: Cross multiply
    34,140.35x = 47,112.77 × 19,799.29
  4. Step 4: Simplify right side
    34,140.35x = 932,799,197.55
  5. Step 5: Solve for x
    x = 932,799,197.55/34,140.35
  6. Step 6: Final answer
    x = 27,322.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.