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Finding the Fourth Proportional to 52,863.96, 79,288.16 and 15,413.96

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Solution

The fourth proportional to 52,863.96, 79,288.16 and 15,413.96 is: 23,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.96 : 79,288.16 = 15,413.96 : x
  2. Step 2: Convert to fraction form
    52,863.96/79,288.16 = 15,413.96/x
  3. Step 3: Cross multiply
    52,863.96x = 79,288.16 × 15,413.96
  4. Step 4: Simplify right side
    52,863.96x = 1,222,144,526.71
  5. Step 5: Solve for x
    x = 1,222,144,526.71/52,863.96
  6. Step 6: Final answer
    x = 23,118.67

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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.