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Finding the Fourth Proportional to 1,633.25, 2,254.25 and 1,004.32

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Solution

The fourth proportional to 1,633.25, 2,254.25 and 1,004.32 is: 1,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.25 : 2,254.25 = 1,004.32 : x
  2. Step 2: Convert to fraction form
    1,633.25/2,254.25 = 1,004.32/x
  3. Step 3: Cross multiply
    1,633.25x = 2,254.25 × 1,004.32
  4. Step 4: Simplify right side
    1,633.25x = 2,264,000.03
  5. Step 5: Solve for x
    x = 2,264,000.03/1,633.25
  6. Step 6: Final answer
    x = 1,386.19

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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.