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Finding the Fourth Proportional to 5,017,679.93, 6,923,842.94 and 2,782,401.26

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Solution

The fourth proportional to 5,017,679.93, 6,923,842.94 and 2,782,401.26 is: 3,839,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017,679.93 : 6,923,842.94 = 2,782,401.26 : x
  2. Step 2: Convert to fraction form
    5,017,679.93/6,923,842.94 = 2,782,401.26/x
  3. Step 3: Cross multiply
    5,017,679.93x = 6,923,842.94 × 2,782,401.26
  4. Step 4: Simplify right side
    5,017,679.93x = 19,264,909,306,386.09
  5. Step 5: Solve for x
    x = 19,264,909,306,386.09/5,017,679.93
  6. Step 6: Final answer
    x = 3,839,405.78

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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.