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Finding the Fourth Proportional to 57,907.92, 79,910.04 and 32,413.68

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Solution

The fourth proportional to 57,907.92, 79,910.04 and 32,413.68 is: 44,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,907.92 : 79,910.04 = 32,413.68 : x
  2. Step 2: Convert to fraction form
    57,907.92/79,910.04 = 32,413.68/x
  3. Step 3: Cross multiply
    57,907.92x = 79,910.04 × 32,413.68
  4. Step 4: Simplify right side
    57,907.92x = 2,590,178,465.35
  5. Step 5: Solve for x
    x = 2,590,178,465.35/57,907.92
  6. Step 6: Final answer
    x = 44,729.26

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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.