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Finding the Fourth Proportional to 34,806.95, 48,033.63 and 18,891.40

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Solution

The fourth proportional to 34,806.95, 48,033.63 and 18,891.40 is: 26,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.95 : 48,033.63 = 18,891.40 : x
  2. Step 2: Convert to fraction form
    34,806.95/48,033.63 = 18,891.40/x
  3. Step 3: Cross multiply
    34,806.95x = 48,033.63 × 18,891.40
  4. Step 4: Simplify right side
    34,806.95x = 907,422,675.99
  5. Step 5: Solve for x
    x = 907,422,675.99/34,806.95
  6. Step 6: Final answer
    x = 26,070.16

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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.