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Finding the Fourth Proportional to 35,441,806.30, 53,082,993.30 and 21,092,899.30

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Solution

The fourth proportional to 35,441,806.30, 53,082,993.30 and 21,092,899.30 is: 31,591,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,441,806.30 : 53,082,993.30 = 21,092,899.30 : x
  2. Step 2: Convert to fraction form
    35,441,806.30/53,082,993.30 = 21,092,899.30/x
  3. Step 3: Cross multiply
    35,441,806.30x = 53,082,993.30 × 21,092,899.30
  4. Step 4: Simplify right side
    35,441,806.30x = 1,119,674,232,219,474.62
  5. Step 5: Solve for x
    x = 1,119,674,232,219,474.62/35,441,806.30
  6. Step 6: Final answer
    x = 31,591,906.54

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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.