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Finding the Fourth Proportional to 6,807,356.46, 9,393,978.60 and 3,709,959.39

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Solution

The fourth proportional to 6,807,356.46, 9,393,978.60 and 3,709,959.39 is: 5,119,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807,356.46 : 9,393,978.60 = 3,709,959.39 : x
  2. Step 2: Convert to fraction form
    6,807,356.46/9,393,978.60 = 3,709,959.39/x
  3. Step 3: Cross multiply
    6,807,356.46x = 9,393,978.60 × 3,709,959.39
  4. Step 4: Simplify right side
    6,807,356.46x = 34,851,279,116,529.05
  5. Step 5: Solve for x
    x = 34,851,279,116,529.05/6,807,356.46
  6. Step 6: Final answer
    x = 5,119,649.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.