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Finding the Fourth Proportional to 23,652.63, 32,640.44 and 13,041.90

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Solution

The fourth proportional to 23,652.63, 32,640.44 and 13,041.90 is: 17,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,652.63 : 32,640.44 = 13,041.90 : x
  2. Step 2: Convert to fraction form
    23,652.63/32,640.44 = 13,041.90/x
  3. Step 3: Cross multiply
    23,652.63x = 32,640.44 × 13,041.90
  4. Step 4: Simplify right side
    23,652.63x = 425,693,289.23
  5. Step 5: Solve for x
    x = 425,693,289.23/23,652.63
  6. Step 6: Final answer
    x = 17,997.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.