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Finding the Fourth Proportional to 66,093.47, 99,059 and 26,072.28

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Solution

The fourth proportional to 66,093.47, 99,059 and 26,072.28 is: 39,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,093.47 : 99,059 = 26,072.28 : x
  2. Step 2: Convert to fraction form
    66,093.47/99,059 = 26,072.28/x
  3. Step 3: Cross multiply
    66,093.47x = 99,059 × 26,072.28
  4. Step 4: Simplify right side
    66,093.47x = 2,582,693,984.52
  5. Step 5: Solve for x
    x = 2,582,693,984.52/66,093.47
  6. Step 6: Final answer
    x = 39,076.39

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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.