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Finding the Fourth Proportional to 23,954.95, 35,930.74 and 8,959.21

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Solution

The fourth proportional to 23,954.95, 35,930.74 and 8,959.21 is: 13,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,954.95 : 35,930.74 = 8,959.21 : x
  2. Step 2: Convert to fraction form
    23,954.95/35,930.74 = 8,959.21/x
  3. Step 3: Cross multiply
    23,954.95x = 35,930.74 × 8,959.21
  4. Step 4: Simplify right side
    23,954.95x = 321,911,045.12
  5. Step 5: Solve for x
    x = 321,911,045.12/23,954.95
  6. Step 6: Final answer
    x = 13,438.18

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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.