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Finding the Fourth Proportional to 84,760.82, 116,975.39 and 47,035.07

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Solution

The fourth proportional to 84,760.82, 116,975.39 and 47,035.07 is: 64,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,760.82 : 116,975.39 = 47,035.07 : x
  2. Step 2: Convert to fraction form
    84,760.82/116,975.39 = 47,035.07/x
  3. Step 3: Cross multiply
    84,760.82x = 116,975.39 × 47,035.07
  4. Step 4: Simplify right side
    84,760.82x = 5,501,945,072.05
  5. Step 5: Solve for x
    x = 5,501,945,072.05/84,760.82
  6. Step 6: Final answer
    x = 64,911.42

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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.