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Finding the Fourth Proportional to 22,075.57, 33,128.24 and 8,224.57

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Solution

The fourth proportional to 22,075.57, 33,128.24 and 8,224.57 is: 12,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.57 : 33,128.24 = 8,224.57 : x
  2. Step 2: Convert to fraction form
    22,075.57/33,128.24 = 8,224.57/x
  3. Step 3: Cross multiply
    22,075.57x = 33,128.24 × 8,224.57
  4. Step 4: Simplify right side
    22,075.57x = 272,465,528.86
  5. Step 5: Solve for x
    x = 272,465,528.86/22,075.57
  6. Step 6: Final answer
    x = 12,342.40

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