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Finding the Fourth Proportional to 36,004.77, 49,691.07 and 20,894.19

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Solution

The fourth proportional to 36,004.77, 49,691.07 and 20,894.19 is: 28,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.77 : 49,691.07 = 20,894.19 : x
  2. Step 2: Convert to fraction form
    36,004.77/49,691.07 = 20,894.19/x
  3. Step 3: Cross multiply
    36,004.77x = 49,691.07 × 20,894.19
  4. Step 4: Simplify right side
    36,004.77x = 1,038,254,471.54
  5. Step 5: Solve for x
    x = 1,038,254,471.54/36,004.77
  6. Step 6: Final answer
    x = 28,836.58

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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.