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Finding the Fourth Proportional to 22,039.95, 33,059.88 and 7,999.97

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Solution

The fourth proportional to 22,039.95, 33,059.88 and 7,999.97 is: 11,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.95 : 33,059.88 = 7,999.97 : x
  2. Step 2: Convert to fraction form
    22,039.95/33,059.88 = 7,999.97/x
  3. Step 3: Cross multiply
    22,039.95x = 33,059.88 × 7,999.97
  4. Step 4: Simplify right side
    22,039.95x = 264,478,048.20
  5. Step 5: Solve for x
    x = 264,478,048.20/22,039.95
  6. Step 6: Final answer
    x = 11,999.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.