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Finding the Fourth Proportional to 84,620.33, 116,777.34 and 46,379.57

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Solution

The fourth proportional to 84,620.33, 116,777.34 and 46,379.57 is: 64,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,620.33 : 116,777.34 = 46,379.57 : x
  2. Step 2: Convert to fraction form
    84,620.33/116,777.34 = 46,379.57/x
  3. Step 3: Cross multiply
    84,620.33x = 116,777.34 × 46,379.57
  4. Step 4: Simplify right side
    84,620.33x = 5,416,083,020.96
  5. Step 5: Solve for x
    x = 5,416,083,020.96/84,620.33
  6. Step 6: Final answer
    x = 64,004.51

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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.