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Finding the Fourth Proportional to 34,131.51, 47,101.59 and 19,794.15

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Solution

The fourth proportional to 34,131.51, 47,101.59 and 19,794.15 is: 27,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131.51 : 47,101.59 = 19,794.15 : x
  2. Step 2: Convert to fraction form
    34,131.51/47,101.59 = 19,794.15/x
  3. Step 3: Cross multiply
    34,131.51x = 47,101.59 × 19,794.15
  4. Step 4: Simplify right side
    34,131.51x = 932,335,937.70
  5. Step 5: Solve for x
    x = 932,335,937.70/34,131.51
  6. Step 6: Final answer
    x = 27,315.99

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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.