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Finding the Fourth Proportional to 32,660.01, 48,992.24 and 12,938.54

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Solution

The fourth proportional to 32,660.01, 48,992.24 and 12,938.54 is: 19,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,660.01 : 48,992.24 = 12,938.54 : x
  2. Step 2: Convert to fraction form
    32,660.01/48,992.24 = 12,938.54/x
  3. Step 3: Cross multiply
    32,660.01x = 48,992.24 × 12,938.54
  4. Step 4: Simplify right side
    32,660.01x = 633,887,844.31
  5. Step 5: Solve for x
    x = 633,887,844.31/32,660.01
  6. Step 6: Final answer
    x = 19,408.68

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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.