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Finding the Fourth Proportional to 35,313.60, 52,905.60 and 32,980.80

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Solution

The fourth proportional to 35,313.60, 52,905.60 and 32,980.80 is: 49,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.60 : 52,905.60 = 32,980.80 : x
  2. Step 2: Convert to fraction form
    35,313.60/52,905.60 = 32,980.80/x
  3. Step 3: Cross multiply
    35,313.60x = 52,905.60 × 32,980.80
  4. Step 4: Simplify right side
    35,313.60x = 1,744,869,012.48
  5. Step 5: Solve for x
    x = 1,744,869,012.48/35,313.60
  6. Step 6: Final answer
    x = 49,410.68

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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.