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Finding the Fourth Proportional to 6,791,239.44, 9,371,350.44 and 3,999,927.60

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Solution

The fourth proportional to 6,791,239.44, 9,371,350.44 and 3,999,927.60 is: 5,519,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791,239.44 : 9,371,350.44 = 3,999,927.60 : x
  2. Step 2: Convert to fraction form
    6,791,239.44/9,371,350.44 = 3,999,927.60/x
  3. Step 3: Cross multiply
    6,791,239.44x = 9,371,350.44 × 3,999,927.60
  4. Step 4: Simplify right side
    6,791,239.44x = 37,484,723,274,228.14
  5. Step 5: Solve for x
    x = 37,484,723,274,228.14/6,791,239.44
  6. Step 6: Final answer
    x = 5,519,570.26

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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.