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Finding the Fourth Proportional to 36,150.54, 49,888.20 and 21,811.11

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Solution

The fourth proportional to 36,150.54, 49,888.20 and 21,811.11 is: 30,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.54 : 49,888.20 = 21,811.11 : x
  2. Step 2: Convert to fraction form
    36,150.54/49,888.20 = 21,811.11/x
  3. Step 3: Cross multiply
    36,150.54x = 49,888.20 × 21,811.11
  4. Step 4: Simplify right side
    36,150.54x = 1,088,117,017.90
  5. Step 5: Solve for x
    x = 1,088,117,017.90/36,150.54
  6. Step 6: Final answer
    x = 30,099.61

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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.