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Finding the Fourth Proportional to 17,370, 26,056.20 and 8,602.56

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Solution

The fourth proportional to 17,370, 26,056.20 and 8,602.56 is: 12,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370 : 26,056.20 = 8,602.56 : x
  2. Step 2: Convert to fraction form
    17,370/26,056.20 = 8,602.56/x
  3. Step 3: Cross multiply
    17,370x = 26,056.20 × 8,602.56
  4. Step 4: Simplify right side
    17,370x = 224,150,023.87
  5. Step 5: Solve for x
    x = 224,150,023.87/17,370
  6. Step 6: Final answer
    x = 12,904.43

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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.