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Finding the Fourth Proportional to 23,542.86, 32,489.74 and 12,933.48

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Solution

The fourth proportional to 23,542.86, 32,489.74 and 12,933.48 is: 17,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,542.86 : 32,489.74 = 12,933.48 : x
  2. Step 2: Convert to fraction form
    23,542.86/32,489.74 = 12,933.48/x
  3. Step 3: Cross multiply
    23,542.86x = 32,489.74 × 12,933.48
  4. Step 4: Simplify right side
    23,542.86x = 420,205,402.50
  5. Step 5: Solve for x
    x = 420,205,402.50/23,542.86
  6. Step 6: Final answer
    x = 17,848.53

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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.