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Finding the Fourth Proportional to 38,794.95, 58,196.95 and 13,838.51

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Solution

The fourth proportional to 38,794.95, 58,196.95 and 13,838.51 is: 20,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.95 : 58,196.95 = 13,838.51 : x
  2. Step 2: Convert to fraction form
    38,794.95/58,196.95 = 13,838.51/x
  3. Step 3: Cross multiply
    38,794.95x = 58,196.95 × 13,838.51
  4. Step 4: Simplify right side
    38,794.95x = 805,359,185.44
  5. Step 5: Solve for x
    x = 805,359,185.44/38,794.95
  6. Step 6: Final answer
    x = 20,759.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.