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Finding the Fourth Proportional to 29,576.44, 40,816.02 and 16,828.12

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Solution

The fourth proportional to 29,576.44, 40,816.02 and 16,828.12 is: 23,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,576.44 : 40,816.02 = 16,828.12 : x
  2. Step 2: Convert to fraction form
    29,576.44/40,816.02 = 16,828.12/x
  3. Step 3: Cross multiply
    29,576.44x = 40,816.02 × 16,828.12
  4. Step 4: Simplify right side
    29,576.44x = 686,856,882.48
  5. Step 5: Solve for x
    x = 686,856,882.48/29,576.44
  6. Step 6: Final answer
    x = 23,223.11

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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.