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Finding the Fourth Proportional to 7,661,167.60, 11,486,502.60 and 3,619,591.60

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Solution

The fourth proportional to 7,661,167.60, 11,486,502.60 and 3,619,591.60 is: 5,426,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,167.60 : 11,486,502.60 = 3,619,591.60 : x
  2. Step 2: Convert to fraction form
    7,661,167.60/11,486,502.60 = 3,619,591.60/x
  3. Step 3: Cross multiply
    7,661,167.60x = 11,486,502.60 × 3,619,591.60
  4. Step 4: Simplify right side
    7,661,167.60x = 41,576,448,324,338.16
  5. Step 5: Solve for x
    x = 41,576,448,324,338.16/7,661,167.60
  6. Step 6: Final answer
    x = 5,426,907.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.