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Finding the Fourth Proportional to 16,360, 22,576.80 and 8,908

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Solution

The fourth proportional to 16,360, 22,576.80 and 8,908 is: 12,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,360 : 22,576.80 = 8,908 : x
  2. Step 2: Convert to fraction form
    16,360/22,576.80 = 8,908/x
  3. Step 3: Cross multiply
    16,360x = 22,576.80 × 8,908
  4. Step 4: Simplify right side
    16,360x = 201,114,134.40
  5. Step 5: Solve for x
    x = 201,114,134.40/16,360
  6. Step 6: Final answer
    x = 12,293.04

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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.