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Finding the Fourth Proportional to 1,060.65, 1,583.23 and 982.49

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Solution

The fourth proportional to 1,060.65, 1,583.23 and 982.49 is: 1,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.65 : 1,583.23 = 982.49 : x
  2. Step 2: Convert to fraction form
    1,060.65/1,583.23 = 982.49/x
  3. Step 3: Cross multiply
    1,060.65x = 1,583.23 × 982.49
  4. Step 4: Simplify right side
    1,060.65x = 1,555,494.81
  5. Step 5: Solve for x
    x = 1,555,494.81/1,060.65
  6. Step 6: Final answer
    x = 1,466.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.