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Finding the Fourth Proportional to 1,662.48, 2,496.60 and 1,017

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Solution

The fourth proportional to 1,662.48, 2,496.60 and 1,017 is: 1,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.48 : 2,496.60 = 1,017 : x
  2. Step 2: Convert to fraction form
    1,662.48/2,496.60 = 1,017/x
  3. Step 3: Cross multiply
    1,662.48x = 2,496.60 × 1,017
  4. Step 4: Simplify right side
    1,662.48x = 2,539,042.20
  5. Step 5: Solve for x
    x = 2,539,042.20/1,662.48
  6. Step 6: Final answer
    x = 1,527.26

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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.