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Finding the Fourth Proportional to 35,933.60, 53,877.04 and 17,213.16

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Solution

The fourth proportional to 35,933.60, 53,877.04 and 17,213.16 is: 25,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,933.60 : 53,877.04 = 17,213.16 : x
  2. Step 2: Convert to fraction form
    35,933.60/53,877.04 = 17,213.16/x
  3. Step 3: Cross multiply
    35,933.60x = 53,877.04 × 17,213.16
  4. Step 4: Simplify right side
    35,933.60x = 927,394,109.85
  5. Step 5: Solve for x
    x = 927,394,109.85/35,933.60
  6. Step 6: Final answer
    x = 25,808.55

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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.