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Finding the Fourth Proportional to 53,600.89, 73,972.79 and 29,728.57

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Solution

The fourth proportional to 53,600.89, 73,972.79 and 29,728.57 is: 41,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.89 : 73,972.79 = 29,728.57 : x
  2. Step 2: Convert to fraction form
    53,600.89/73,972.79 = 29,728.57/x
  3. Step 3: Cross multiply
    53,600.89x = 73,972.79 × 29,728.57
  4. Step 4: Simplify right side
    53,600.89x = 2,199,105,116.97
  5. Step 5: Solve for x
    x = 2,199,105,116.97/53,600.89
  6. Step 6: Final answer
    x = 41,027.40

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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.