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Finding the Fourth Proportional to 30,260.63, 41,759.66 and 17,012.63

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Solution

The fourth proportional to 30,260.63, 41,759.66 and 17,012.63 is: 23,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.63 : 41,759.66 = 17,012.63 : x
  2. Step 2: Convert to fraction form
    30,260.63/41,759.66 = 17,012.63/x
  3. Step 3: Cross multiply
    30,260.63x = 41,759.66 × 17,012.63
  4. Step 4: Simplify right side
    30,260.63x = 710,441,478.24
  5. Step 5: Solve for x
    x = 710,441,478.24/30,260.63
  6. Step 6: Final answer
    x = 23,477.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.