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Finding the Fourth Proportional to 84,755.37, 116,968.87 and 47,029.62

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Solution

The fourth proportional to 84,755.37, 116,968.87 and 47,029.62 is: 64,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,755.37 : 116,968.87 = 47,029.62 : x
  2. Step 2: Convert to fraction form
    84,755.37/116,968.87 = 47,029.62/x
  3. Step 3: Cross multiply
    84,755.37x = 116,968.87 × 47,029.62
  4. Step 4: Simplify right side
    84,755.37x = 5,501,001,507.93
  5. Step 5: Solve for x
    x = 5,501,001,507.93/84,755.37
  6. Step 6: Final answer
    x = 64,904.46

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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.