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Finding the Fourth Proportional to 49,993.93, 68,991.69 and 28,773.19

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Solution

The fourth proportional to 49,993.93, 68,991.69 and 28,773.19 is: 39,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,993.93 : 68,991.69 = 28,773.19 : x
  2. Step 2: Convert to fraction form
    49,993.93/68,991.69 = 28,773.19/x
  3. Step 3: Cross multiply
    49,993.93x = 68,991.69 × 28,773.19
  4. Step 4: Simplify right side
    49,993.93x = 1,985,111,004.79
  5. Step 5: Solve for x
    x = 1,985,111,004.79/49,993.93
  6. Step 6: Final answer
    x = 39,707.04

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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.