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Finding the Fourth Proportional to 6,959,366.65, 9,603,673.63 and 3,862,025.20

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Solution

The fourth proportional to 6,959,366.65, 9,603,673.63 and 3,862,025.20 is: 5,329,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959,366.65 : 9,603,673.63 = 3,862,025.20 : x
  2. Step 2: Convert to fraction form
    6,959,366.65/9,603,673.63 = 3,862,025.20/x
  3. Step 3: Cross multiply
    6,959,366.65x = 9,603,673.63 × 3,862,025.20
  4. Step 4: Simplify right side
    6,959,366.65x = 37,089,629,571,635.48
  5. Step 5: Solve for x
    x = 37,089,629,571,635.48/6,959,366.65
  6. Step 6: Final answer
    x = 5,329,454.74

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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.