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Finding the Fourth Proportional to 29,669.64, 40,958.91 and 17,091.96

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Solution

The fourth proportional to 29,669.64, 40,958.91 and 17,091.96 is: 23,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,669.64 : 40,958.91 = 17,091.96 : x
  2. Step 2: Convert to fraction form
    29,669.64/40,958.91 = 17,091.96/x
  3. Step 3: Cross multiply
    29,669.64x = 40,958.91 × 17,091.96
  4. Step 4: Simplify right side
    29,669.64x = 700,068,051.36
  5. Step 5: Solve for x
    x = 700,068,051.36/29,669.64
  6. Step 6: Final answer
    x = 23,595.43

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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.