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Finding the Fourth Proportional to 7,791,649.93, 10,752,270.64 and 4,353,919.21

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Solution

The fourth proportional to 7,791,649.93, 10,752,270.64 and 4,353,919.21 is: 6,008,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,649.93 : 10,752,270.64 = 4,353,919.21 : x
  2. Step 2: Convert to fraction form
    7,791,649.93/10,752,270.64 = 4,353,919.21/x
  3. Step 3: Cross multiply
    7,791,649.93x = 10,752,270.64 × 4,353,919.21
  4. Step 4: Simplify right side
    7,791,649.93x = 46,814,517,690,615
  5. Step 5: Solve for x
    x = 46,814,517,690,615/7,791,649.93
  6. Step 6: Final answer
    x = 6,008,293.25

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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.