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Finding the Fourth Proportional to 35,319.60, 52,914.60 and 32,986.80

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Solution

The fourth proportional to 35,319.60, 52,914.60 and 32,986.80 is: 49,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.60 : 52,914.60 = 32,986.80 : x
  2. Step 2: Convert to fraction form
    35,319.60/52,914.60 = 32,986.80/x
  3. Step 3: Cross multiply
    35,319.60x = 52,914.60 × 32,986.80
  4. Step 4: Simplify right side
    35,319.60x = 1,745,483,327.28
  5. Step 5: Solve for x
    x = 1,745,483,327.28/35,319.60
  6. Step 6: Final answer
    x = 49,419.68

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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.