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Finding the Fourth Proportional to 29,129, 40,198.02 and 16,554.56

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Solution

The fourth proportional to 29,129, 40,198.02 and 16,554.56 is: 22,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129 : 40,198.02 = 16,554.56 : x
  2. Step 2: Convert to fraction form
    29,129/40,198.02 = 16,554.56/x
  3. Step 3: Cross multiply
    29,129x = 40,198.02 × 16,554.56
  4. Step 4: Simplify right side
    29,129x = 665,460,533.97
  5. Step 5: Solve for x
    x = 665,460,533.97/29,129
  6. Step 6: Final answer
    x = 22,845.29

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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.