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Finding the Fourth Proportional to 32,682.56, 48,980.64 and 11,886.08

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Solution

The fourth proportional to 32,682.56, 48,980.64 and 11,886.08 is: 17,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.56 : 48,980.64 = 11,886.08 : x
  2. Step 2: Convert to fraction form
    32,682.56/48,980.64 = 11,886.08/x
  3. Step 3: Cross multiply
    32,682.56x = 48,980.64 × 11,886.08
  4. Step 4: Simplify right side
    32,682.56x = 582,187,805.49
  5. Step 5: Solve for x
    x = 582,187,805.49/32,682.56
  6. Step 6: Final answer
    x = 17,813.41

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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.