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Finding the Fourth Proportional to 29,707.94, 40,998.09 and 16,963.20

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Solution

The fourth proportional to 29,707.94, 40,998.09 and 16,963.20 is: 23,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.94 : 40,998.09 = 16,963.20 : x
  2. Step 2: Convert to fraction form
    29,707.94/40,998.09 = 16,963.20/x
  3. Step 3: Cross multiply
    29,707.94x = 40,998.09 × 16,963.20
  4. Step 4: Simplify right side
    29,707.94x = 695,458,629.32
  5. Step 5: Solve for x
    x = 695,458,629.32/29,707.94
  6. Step 6: Final answer
    x = 23,409.86

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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.