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Finding the Fourth Proportional to 40,516.26, 60,748.02 and 16,817.28

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Solution

The fourth proportional to 40,516.26, 60,748.02 and 16,817.28 is: 25,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,516.26 : 60,748.02 = 16,817.28 : x
  2. Step 2: Convert to fraction form
    40,516.26/60,748.02 = 16,817.28/x
  3. Step 3: Cross multiply
    40,516.26x = 60,748.02 × 16,817.28
  4. Step 4: Simplify right side
    40,516.26x = 1,021,616,461.79
  5. Step 5: Solve for x
    x = 1,021,616,461.79/40,516.26
  6. Step 6: Final answer
    x = 25,214.97

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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.