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Finding the Fourth Proportional to 60,413.21, 83,400.53 and 37,764.80

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Solution

The fourth proportional to 60,413.21, 83,400.53 and 37,764.80 is: 52,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,413.21 : 83,400.53 = 37,764.80 : x
  2. Step 2: Convert to fraction form
    60,413.21/83,400.53 = 37,764.80/x
  3. Step 3: Cross multiply
    60,413.21x = 83,400.53 × 37,764.80
  4. Step 4: Simplify right side
    60,413.21x = 3,149,603,729.52
  5. Step 5: Solve for x
    x = 3,149,603,729.52/60,413.21
  6. Step 6: Final answer
    x = 52,134.36

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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.