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Finding the Fourth Proportional to 64,478.14, 88,975.83 and 35,796.13

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Solution

The fourth proportional to 64,478.14, 88,975.83 and 35,796.13 is: 49,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478.14 : 88,975.83 = 35,796.13 : x
  2. Step 2: Convert to fraction form
    64,478.14/88,975.83 = 35,796.13/x
  3. Step 3: Cross multiply
    64,478.14x = 88,975.83 × 35,796.13
  4. Step 4: Simplify right side
    64,478.14x = 3,184,989,932.66
  5. Step 5: Solve for x
    x = 3,184,989,932.66/64,478.14
  6. Step 6: Final answer
    x = 49,396.43

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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.