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Finding the Fourth Proportional to 32,518.88, 48,784.49 and 18,494.74

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Solution

The fourth proportional to 32,518.88, 48,784.49 and 18,494.74 is: 27,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,518.88 : 48,784.49 = 18,494.74 : x
  2. Step 2: Convert to fraction form
    32,518.88/48,784.49 = 18,494.74/x
  3. Step 3: Cross multiply
    32,518.88x = 48,784.49 × 18,494.74
  4. Step 4: Simplify right side
    32,518.88x = 902,256,458.58
  5. Step 5: Solve for x
    x = 902,256,458.58/32,518.88
  6. Step 6: Final answer
    x = 27,745.62

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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.