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Finding the Fourth Proportional to 84,791.97, 117,013.37 and 52,979.32

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Solution

The fourth proportional to 84,791.97, 117,013.37 and 52,979.32 is: 73,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791.97 : 117,013.37 = 52,979.32 : x
  2. Step 2: Convert to fraction form
    84,791.97/117,013.37 = 52,979.32/x
  3. Step 3: Cross multiply
    84,791.97x = 117,013.37 × 52,979.32
  4. Step 4: Simplify right side
    84,791.97x = 6,199,288,773.51
  5. Step 5: Solve for x
    x = 6,199,288,773.51/84,791.97
  6. Step 6: Final answer
    x = 73,111.74

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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.