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Finding the Fourth Proportional to 11,833,469.70, 17,751,978.45 and 5,010,029.70

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Solution

The fourth proportional to 11,833,469.70, 17,751,978.45 and 5,010,029.70 is: 7,515,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833,469.70 : 17,751,978.45 = 5,010,029.70 : x
  2. Step 2: Convert to fraction form
    11,833,469.70/17,751,978.45 = 5,010,029.70/x
  3. Step 3: Cross multiply
    11,833,469.70x = 17,751,978.45 × 5,010,029.70
  4. Step 4: Simplify right side
    11,833,469.70x = 88,937,939,268,259.97
  5. Step 5: Solve for x
    x = 88,937,939,268,259.97/11,833,469.70
  6. Step 6: Final answer
    x = 7,515,795.58

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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.