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Finding the Fourth Proportional to 64,412.44, 88,894.32 and 35,734.92

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Solution

The fourth proportional to 64,412.44, 88,894.32 and 35,734.92 is: 49,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.44 : 88,894.32 = 35,734.92 : x
  2. Step 2: Convert to fraction form
    64,412.44/88,894.32 = 35,734.92/x
  3. Step 3: Cross multiply
    64,412.44x = 88,894.32 × 35,734.92
  4. Step 4: Simplify right side
    64,412.44x = 3,176,631,413.65
  5. Step 5: Solve for x
    x = 3,176,631,413.65/64,412.44
  6. Step 6: Final answer
    x = 49,317.05

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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.