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Finding the Fourth Proportional to 4,672,978, 6,448,709.64 and 2,526,802

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Solution

The fourth proportional to 4,672,978, 6,448,709.64 and 2,526,802 is: 3,486,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,978 : 6,448,709.64 = 2,526,802 : x
  2. Step 2: Convert to fraction form
    4,672,978/6,448,709.64 = 2,526,802/x
  3. Step 3: Cross multiply
    4,672,978x = 6,448,709.64 × 2,526,802
  4. Step 4: Simplify right side
    4,672,978x = 16,294,612,415,771.28
  5. Step 5: Solve for x
    x = 16,294,612,415,771.28/4,672,978
  6. Step 6: Final answer
    x = 3,486,986.76

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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.