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Finding the Fourth Proportional to 1,996.55, 2,995.22 and 610.08

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Solution

The fourth proportional to 1,996.55, 2,995.22 and 610.08 is: 915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.55 : 2,995.22 = 610.08 : x
  2. Step 2: Convert to fraction form
    1,996.55/2,995.22 = 610.08/x
  3. Step 3: Cross multiply
    1,996.55x = 2,995.22 × 610.08
  4. Step 4: Simplify right side
    1,996.55x = 1,827,330.53
  5. Step 5: Solve for x
    x = 1,827,330.53/1,996.55
  6. Step 6: Final answer
    x = 915.24

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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.