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Finding the Fourth Proportional to 36,010.92, 49,687.08 and 20,894.82

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Solution

The fourth proportional to 36,010.92, 49,687.08 and 20,894.82 is: 28,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,010.92 : 49,687.08 = 20,894.82 : x
  2. Step 2: Convert to fraction form
    36,010.92/49,687.08 = 20,894.82/x
  3. Step 3: Cross multiply
    36,010.92x = 49,687.08 × 20,894.82
  4. Step 4: Simplify right side
    36,010.92x = 1,038,202,592.93
  5. Step 5: Solve for x
    x = 1,038,202,592.93/36,010.92
  6. Step 6: Final answer
    x = 28,830.22

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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.