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Finding the Fourth Proportional to 23,755.92, 32,784.04 and 15,372.42

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Solution

The fourth proportional to 23,755.92, 32,784.04 and 15,372.42 is: 21,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755.92 : 32,784.04 = 15,372.42 : x
  2. Step 2: Convert to fraction form
    23,755.92/32,784.04 = 15,372.42/x
  3. Step 3: Cross multiply
    23,755.92x = 32,784.04 × 15,372.42
  4. Step 4: Simplify right side
    23,755.92x = 503,970,032.18
  5. Step 5: Solve for x
    x = 503,970,032.18/23,755.92
  6. Step 6: Final answer
    x = 21,214.50

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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.