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Finding the Fourth Proportional to 22,077.76, 33,112.00 and 7,283.21

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Solution

The fourth proportional to 22,077.76, 33,112.00 and 7,283.21 is: 10,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.76 : 33,112.00 = 7,283.21 : x
  2. Step 2: Convert to fraction form
    22,077.76/33,112.00 = 7,283.21/x
  3. Step 3: Cross multiply
    22,077.76x = 33,112.00 × 7,283.21
  4. Step 4: Simplify right side
    22,077.76x = 241,161,741.40
  5. Step 5: Solve for x
    x = 241,161,741.40/22,077.76
  6. Step 6: Final answer
    x = 10,923.29

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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.