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Finding the Fourth Proportional to 10,993,010.80, 16,484,850.60 and 5,314,975.60

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Solution

The fourth proportional to 10,993,010.80, 16,484,850.60 and 5,314,975.60 is: 7,970,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,010.80 : 16,484,850.60 = 5,314,975.60 : x
  2. Step 2: Convert to fraction form
    10,993,010.80/16,484,850.60 = 5,314,975.60/x
  3. Step 3: Cross multiply
    10,993,010.80x = 16,484,850.60 × 5,314,975.60
  4. Step 4: Simplify right side
    10,993,010.80x = 87,616,578,708,645.36
  5. Step 5: Solve for x
    x = 87,616,578,708,645.36/10,993,010.80
  6. Step 6: Final answer
    x = 7,970,207.64

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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.