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Finding the Fourth Proportional to 29,701.93, 40,990.02 and 16,958.56

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Solution

The fourth proportional to 29,701.93, 40,990.02 and 16,958.56 is: 23,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,701.93 : 40,990.02 = 16,958.56 : x
  2. Step 2: Convert to fraction form
    29,701.93/40,990.02 = 16,958.56/x
  3. Step 3: Cross multiply
    29,701.93x = 40,990.02 × 16,958.56
  4. Step 4: Simplify right side
    29,701.93x = 695,131,628.78
  5. Step 5: Solve for x
    x = 695,131,628.78/29,701.93
  6. Step 6: Final answer
    x = 23,403.58

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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.