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Finding the Fourth Proportional to 1,496.84, 2,243.80 and 675.32

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Solution

The fourth proportional to 1,496.84, 2,243.80 and 675.32 is: 1,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.84 : 2,243.80 = 675.32 : x
  2. Step 2: Convert to fraction form
    1,496.84/2,243.80 = 675.32/x
  3. Step 3: Cross multiply
    1,496.84x = 2,243.80 × 675.32
  4. Step 4: Simplify right side
    1,496.84x = 1,515,283.02
  5. Step 5: Solve for x
    x = 1,515,283.02/1,496.84
  6. Step 6: Final answer
    x = 1,012.32

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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.