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Finding the Fourth Proportional to 1,017.04, 1,403.03 and 736.82

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Solution

The fourth proportional to 1,017.04, 1,403.03 and 736.82 is: 1,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.04 : 1,403.03 = 736.82 : x
  2. Step 2: Convert to fraction form
    1,017.04/1,403.03 = 736.82/x
  3. Step 3: Cross multiply
    1,017.04x = 1,403.03 × 736.82
  4. Step 4: Simplify right side
    1,017.04x = 1,033,780.56
  5. Step 5: Solve for x
    x = 1,033,780.56/1,017.04
  6. Step 6: Final answer
    x = 1,016.46

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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.