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Finding the Fourth Proportional to 64,040.54, 88,380.81 and 35,365.68

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Solution

The fourth proportional to 64,040.54, 88,380.81 and 35,365.68 is: 48,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,040.54 : 88,380.81 = 35,365.68 : x
  2. Step 2: Convert to fraction form
    64,040.54/88,380.81 = 35,365.68/x
  3. Step 3: Cross multiply
    64,040.54x = 88,380.81 × 35,365.68
  4. Step 4: Simplify right side
    64,040.54x = 3,125,647,444.60
  5. Step 5: Solve for x
    x = 3,125,647,444.60/64,040.54
  6. Step 6: Final answer
    x = 48,807.33

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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.