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Finding the Fourth Proportional to 23,647.48, 32,633.08 and 12,892.48

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Solution

The fourth proportional to 23,647.48, 32,633.08 and 12,892.48 is: 17,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,647.48 : 32,633.08 = 12,892.48 : x
  2. Step 2: Convert to fraction form
    23,647.48/32,633.08 = 12,892.48/x
  3. Step 3: Cross multiply
    23,647.48x = 32,633.08 × 12,892.48
  4. Step 4: Simplify right side
    23,647.48x = 420,721,331.24
  5. Step 5: Solve for x
    x = 420,721,331.24/23,647.48
  6. Step 6: Final answer
    x = 17,791.38

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1.5x scale

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.