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Finding the Fourth Proportional to 84,791.12, 117,013.21 and 46,554.22

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Solution

The fourth proportional to 84,791.12, 117,013.21 and 46,554.22 is: 64,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791.12 : 117,013.21 = 46,554.22 : x
  2. Step 2: Convert to fraction form
    84,791.12/117,013.21 = 46,554.22/x
  3. Step 3: Cross multiply
    84,791.12x = 117,013.21 × 46,554.22
  4. Step 4: Simplify right side
    84,791.12x = 5,447,458,721.25
  5. Step 5: Solve for x
    x = 5,447,458,721.25/84,791.12
  6. Step 6: Final answer
    x = 64,245.63

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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.