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Finding the Fourth Proportional to 46,891.68, 70,344.45 and 13,607.42

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Solution

The fourth proportional to 46,891.68, 70,344.45 and 13,607.42 is: 20,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,891.68 : 70,344.45 = 13,607.42 : x
  2. Step 2: Convert to fraction form
    46,891.68/70,344.45 = 13,607.42/x
  3. Step 3: Cross multiply
    46,891.68x = 70,344.45 × 13,607.42
  4. Step 4: Simplify right side
    46,891.68x = 957,206,124.10
  5. Step 5: Solve for x
    x = 957,206,124.10/46,891.68
  6. Step 6: Final answer
    x = 20,413.13

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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.