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Finding the Fourth Proportional to 34,880.63, 48,262.03 and 30,413.68

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Solution

The fourth proportional to 34,880.63, 48,262.03 and 30,413.68 is: 42,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,880.63 : 48,262.03 = 30,413.68 : x
  2. Step 2: Convert to fraction form
    34,880.63/48,262.03 = 30,413.68/x
  3. Step 3: Cross multiply
    34,880.63x = 48,262.03 × 30,413.68
  4. Step 4: Simplify right side
    34,880.63x = 1,467,825,739.88
  5. Step 5: Solve for x
    x = 1,467,825,739.88/34,880.63
  6. Step 6: Final answer
    x = 42,081.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.