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Finding the Fourth Proportional to 64,091.86, 88,448.54 and 35,413.36

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Solution

The fourth proportional to 64,091.86, 88,448.54 and 35,413.36 is: 48,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,091.86 : 88,448.54 = 35,413.36 : x
  2. Step 2: Convert to fraction form
    64,091.86/88,448.54 = 35,413.36/x
  3. Step 3: Cross multiply
    64,091.86x = 88,448.54 × 35,413.36
  4. Step 4: Simplify right side
    64,091.86x = 3,132,260,430.84
  5. Step 5: Solve for x
    x = 3,132,260,430.84/64,091.86
  6. Step 6: Final answer
    x = 48,871.43

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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.