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Finding the Fourth Proportional to 36,531.50, 50,413.74 and 22,393.76

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Solution

The fourth proportional to 36,531.50, 50,413.74 and 22,393.76 is: 30,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.50 : 50,413.74 = 22,393.76 : x
  2. Step 2: Convert to fraction form
    36,531.50/50,413.74 = 22,393.76/x
  3. Step 3: Cross multiply
    36,531.50x = 50,413.74 × 22,393.76
  4. Step 4: Simplify right side
    36,531.50x = 1,128,953,194.26
  5. Step 5: Solve for x
    x = 1,128,953,194.26/36,531.50
  6. Step 6: Final answer
    x = 30,903.55

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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.