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Finding the Fourth Proportional to 6,541,879.88, 9,027,794.64 and 3,641,208.52

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Solution

The fourth proportional to 6,541,879.88, 9,027,794.64 and 3,641,208.52 is: 5,024,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541,879.88 : 9,027,794.64 = 3,641,208.52 : x
  2. Step 2: Convert to fraction form
    6,541,879.88/9,027,794.64 = 3,641,208.52/x
  3. Step 3: Cross multiply
    6,541,879.88x = 9,027,794.64 × 3,641,208.52
  4. Step 4: Simplify right side
    6,541,879.88x = 32,872,082,759,978.34
  5. Step 5: Solve for x
    x = 32,872,082,759,978.34/6,541,879.88
  6. Step 6: Final answer
    x = 5,024,867.98

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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.