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Finding the Fourth Proportional to 18,343.56, 27,510.08 and 7,096.28

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Solution

The fourth proportional to 18,343.56, 27,510.08 and 7,096.28 is: 10,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.56 : 27,510.08 = 7,096.28 : x
  2. Step 2: Convert to fraction form
    18,343.56/27,510.08 = 7,096.28/x
  3. Step 3: Cross multiply
    18,343.56x = 27,510.08 × 7,096.28
  4. Step 4: Simplify right side
    18,343.56x = 195,219,230.50
  5. Step 5: Solve for x
    x = 195,219,230.50/18,343.56
  6. Step 6: Final answer
    x = 10,642.39

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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.