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Finding the Fourth Proportional to 8,608,795.02, 11,879,257.89 and 5,300,563.86

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Solution

The fourth proportional to 8,608,795.02, 11,879,257.89 and 5,300,563.86 is: 7,314,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,795.02 : 11,879,257.89 = 5,300,563.86 : x
  2. Step 2: Convert to fraction form
    8,608,795.02/11,879,257.89 = 5,300,563.86/x
  3. Step 3: Cross multiply
    8,608,795.02x = 11,879,257.89 × 5,300,563.86
  4. Step 4: Simplify right side
    8,608,795.02x = 62,966,765,055,353.86
  5. Step 5: Solve for x
    x = 62,966,765,055,353.86/8,608,795.02
  6. Step 6: Final answer
    x = 7,314,236.77

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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.