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Finding the Fourth Proportional to 35,419.96, 53,129.96 and 19,634.68

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Solution

The fourth proportional to 35,419.96, 53,129.96 and 19,634.68 is: 29,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.96 : 53,129.96 = 19,634.68 : x
  2. Step 2: Convert to fraction form
    35,419.96/53,129.96 = 19,634.68/x
  3. Step 3: Cross multiply
    35,419.96x = 53,129.96 × 19,634.68
  4. Step 4: Simplify right side
    35,419.96x = 1,043,189,763.01
  5. Step 5: Solve for x
    x = 1,043,189,763.01/35,419.96
  6. Step 6: Final answer
    x = 29,452.03

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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.