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Finding the Fourth Proportional to 7,153.56, 10,728.72 and 2,536.56

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Solution

The fourth proportional to 7,153.56, 10,728.72 and 2,536.56 is: 3,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.56 : 10,728.72 = 2,536.56 : x
  2. Step 2: Convert to fraction form
    7,153.56/10,728.72 = 2,536.56/x
  3. Step 3: Cross multiply
    7,153.56x = 10,728.72 × 2,536.56
  4. Step 4: Simplify right side
    7,153.56x = 27,214,042.00
  5. Step 5: Solve for x
    x = 27,214,042.00/7,153.56
  6. Step 6: Final answer
    x = 3,804.27

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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.