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Finding the Fourth Proportional to 1,644.66, 2,270.94 and 1,016.10

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Solution

The fourth proportional to 1,644.66, 2,270.94 and 1,016.10 is: 1,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.66 : 2,270.94 = 1,016.10 : x
  2. Step 2: Convert to fraction form
    1,644.66/2,270.94 = 1,016.10/x
  3. Step 3: Cross multiply
    1,644.66x = 2,270.94 × 1,016.10
  4. Step 4: Simplify right side
    1,644.66x = 2,307,502.13
  5. Step 5: Solve for x
    x = 2,307,502.13/1,644.66
  6. Step 6: Final answer
    x = 1,403.03

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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.