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Finding the Fourth Proportional to 18,576.23, 27,872.58 and 7,504.53

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Solution

The fourth proportional to 18,576.23, 27,872.58 and 7,504.53 is: 11,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.23 : 27,872.58 = 7,504.53 : x
  2. Step 2: Convert to fraction form
    18,576.23/27,872.58 = 7,504.53/x
  3. Step 3: Cross multiply
    18,576.23x = 27,872.58 × 7,504.53
  4. Step 4: Simplify right side
    18,576.23x = 209,170,612.79
  5. Step 5: Solve for x
    x = 209,170,612.79/18,576.23
  6. Step 6: Final answer
    x = 11,260.12

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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.