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Finding the Fourth Proportional to 53,247.93, 79,804.05 and 28,299.93

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Solution

The fourth proportional to 53,247.93, 79,804.05 and 28,299.93 is: 42,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.93 : 79,804.05 = 28,299.93 : x
  2. Step 2: Convert to fraction form
    53,247.93/79,804.05 = 28,299.93/x
  3. Step 3: Cross multiply
    53,247.93x = 79,804.05 × 28,299.93
  4. Step 4: Simplify right side
    53,247.93x = 2,258,449,028.72
  5. Step 5: Solve for x
    x = 2,258,449,028.72/53,247.93
  6. Step 6: Final answer
    x = 42,413.84

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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.