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Finding the Fourth Proportional to 4,907,013.78, 7,355,736.54 and 2,347,560.66

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Solution

The fourth proportional to 4,907,013.78, 7,355,736.54 and 2,347,560.66 is: 3,519,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907,013.78 : 7,355,736.54 = 2,347,560.66 : x
  2. Step 2: Convert to fraction form
    4,907,013.78/7,355,736.54 = 2,347,560.66/x
  3. Step 3: Cross multiply
    4,907,013.78x = 7,355,736.54 × 2,347,560.66
  4. Step 4: Simplify right side
    4,907,013.78x = 17,268,037,726,628.52
  5. Step 5: Solve for x
    x = 17,268,037,726,628.52/4,907,013.78
  6. Step 6: Final answer
    x = 3,519,052.22

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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.