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Finding the Fourth Proportional to 17,657.70, 26,483.73 and 5,811.54

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Solution

The fourth proportional to 17,657.70, 26,483.73 and 5,811.54 is: 8,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.70 : 26,483.73 = 5,811.54 : x
  2. Step 2: Convert to fraction form
    17,657.70/26,483.73 = 5,811.54/x
  3. Step 3: Cross multiply
    17,657.70x = 26,483.73 × 5,811.54
  4. Step 4: Simplify right side
    17,657.70x = 153,911,256.24
  5. Step 5: Solve for x
    x = 153,911,256.24/17,657.70
  6. Step 6: Final answer
    x = 8,716.38

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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.