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Finding the Fourth Proportional to 36,219.95, 49,999.89 and 22,810.89

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Solution

The fourth proportional to 36,219.95, 49,999.89 and 22,810.89 is: 31,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.95 : 49,999.89 = 22,810.89 : x
  2. Step 2: Convert to fraction form
    36,219.95/49,999.89 = 22,810.89/x
  3. Step 3: Cross multiply
    36,219.95x = 49,999.89 × 22,810.89
  4. Step 4: Simplify right side
    36,219.95x = 1,140,541,990.80
  5. Step 5: Solve for x
    x = 1,140,541,990.80/36,219.95
  6. Step 6: Final answer
    x = 31,489.33

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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.