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Finding the Fourth Proportional to 14,576.88, 21,865.18 and 4,715.94

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Solution

The fourth proportional to 14,576.88, 21,865.18 and 4,715.94 is: 7,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.88 : 21,865.18 = 4,715.94 : x
  2. Step 2: Convert to fraction form
    14,576.88/21,865.18 = 4,715.94/x
  3. Step 3: Cross multiply
    14,576.88x = 21,865.18 × 4,715.94
  4. Step 4: Simplify right side
    14,576.88x = 103,114,876.97
  5. Step 5: Solve for x
    x = 103,114,876.97/14,576.88
  6. Step 6: Final answer
    x = 7,073.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.