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Finding the Fourth Proportional to 8,795,903.60, 13,184,232.60 and 3,113,202.80

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Solution

The fourth proportional to 8,795,903.60, 13,184,232.60 and 3,113,202.80 is: 4,666,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795,903.60 : 13,184,232.60 = 3,113,202.80 : x
  2. Step 2: Convert to fraction form
    8,795,903.60/13,184,232.60 = 3,113,202.80/x
  3. Step 3: Cross multiply
    8,795,903.60x = 13,184,232.60 × 3,113,202.80
  4. Step 4: Simplify right side
    8,795,903.60x = 41,045,189,846,171.27
  5. Step 5: Solve for x
    x = 41,045,189,846,171.27/8,795,903.60
  6. Step 6: Final answer
    x = 4,666,398.33

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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.