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Finding the Fourth Proportional to 41,618, 62,413.98 and 13,909.52

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Solution

The fourth proportional to 41,618, 62,413.98 and 13,909.52 is: 20,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,618 : 62,413.98 = 13,909.52 : x
  2. Step 2: Convert to fraction form
    41,618/62,413.98 = 13,909.52/x
  3. Step 3: Cross multiply
    41,618x = 62,413.98 × 13,909.52
  4. Step 4: Simplify right side
    41,618x = 868,148,503.09
  5. Step 5: Solve for x
    x = 868,148,503.09/41,618
  6. Step 6: Final answer
    x = 20,859.93

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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.