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Finding the Fourth Proportional to 1,522.06, 2,283.36 and 548.03

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Solution

The fourth proportional to 1,522.06, 2,283.36 and 548.03 is: 822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.06 : 2,283.36 = 548.03 : x
  2. Step 2: Convert to fraction form
    1,522.06/2,283.36 = 548.03/x
  3. Step 3: Cross multiply
    1,522.06x = 2,283.36 × 548.03
  4. Step 4: Simplify right side
    1,522.06x = 1,251,353.43
  5. Step 5: Solve for x
    x = 1,251,353.43/1,522.06
  6. Step 6: Final answer
    x = 822.15

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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.