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Finding the Fourth Proportional to 7,371.62, 10,172.84 and 4,059.62

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Solution

The fourth proportional to 7,371.62, 10,172.84 and 4,059.62 is: 5,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.62 : 10,172.84 = 4,059.62 : x
  2. Step 2: Convert to fraction form
    7,371.62/10,172.84 = 4,059.62/x
  3. Step 3: Cross multiply
    7,371.62x = 10,172.84 × 4,059.62
  4. Step 4: Simplify right side
    7,371.62x = 41,297,864.72
  5. Step 5: Solve for x
    x = 41,297,864.72/7,371.62
  6. Step 6: Final answer
    x = 5,602.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.