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Finding the Fourth Proportional to 84,755.72, 116,963.70 and 47,033.48

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Solution

The fourth proportional to 84,755.72, 116,963.70 and 47,033.48 is: 64,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,755.72 : 116,963.70 = 47,033.48 : x
  2. Step 2: Convert to fraction form
    84,755.72/116,963.70 = 47,033.48/x
  3. Step 3: Cross multiply
    84,755.72x = 116,963.70 × 47,033.48
  4. Step 4: Simplify right side
    84,755.72x = 5,501,209,844.68
  5. Step 5: Solve for x
    x = 5,501,209,844.68/84,755.72
  6. Step 6: Final answer
    x = 64,906.65

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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.