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Finding the Fourth Proportional to 50,413.78, 75,631.62 and 15,352.54

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Solution

The fourth proportional to 50,413.78, 75,631.62 and 15,352.54 is: 23,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,413.78 : 75,631.62 = 15,352.54 : x
  2. Step 2: Convert to fraction form
    50,413.78/75,631.62 = 15,352.54/x
  3. Step 3: Cross multiply
    50,413.78x = 75,631.62 × 15,352.54
  4. Step 4: Simplify right side
    50,413.78x = 1,161,137,471.31
  5. Step 5: Solve for x
    x = 1,161,137,471.31/50,413.78
  6. Step 6: Final answer
    x = 23,032.14

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1.5x scale

Why These Related Problems?

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