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Finding the Fourth Proportional to 29,667.99, 40,941.86 and 16,240.09

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Solution

The fourth proportional to 29,667.99, 40,941.86 and 16,240.09 is: 22,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.99 : 40,941.86 = 16,240.09 : x
  2. Step 2: Convert to fraction form
    29,667.99/40,941.86 = 16,240.09/x
  3. Step 3: Cross multiply
    29,667.99x = 40,941.86 × 16,240.09
  4. Step 4: Simplify right side
    29,667.99x = 664,899,409.97
  5. Step 5: Solve for x
    x = 664,899,409.97/29,667.99
  6. Step 6: Final answer
    x = 22,411.34

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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.