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Finding the Fourth Proportional to 17,604.64, 26,411.04 and 5,124.96

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Solution

The fourth proportional to 17,604.64, 26,411.04 and 5,124.96 is: 7,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.64 : 26,411.04 = 5,124.96 : x
  2. Step 2: Convert to fraction form
    17,604.64/26,411.04 = 5,124.96/x
  3. Step 3: Cross multiply
    17,604.64x = 26,411.04 × 5,124.96
  4. Step 4: Simplify right side
    17,604.64x = 135,355,523.56
  5. Step 5: Solve for x
    x = 135,355,523.56/17,604.64
  6. Step 6: Final answer
    x = 7,688.63

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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.