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Finding the Fourth Proportional to 1,325.63, 1,829.42 and 736.22

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Solution

The fourth proportional to 1,325.63, 1,829.42 and 736.22 is: 1,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.63 : 1,829.42 = 736.22 : x
  2. Step 2: Convert to fraction form
    1,325.63/1,829.42 = 736.22/x
  3. Step 3: Cross multiply
    1,325.63x = 1,829.42 × 736.22
  4. Step 4: Simplify right side
    1,325.63x = 1,346,859.25
  5. Step 5: Solve for x
    x = 1,346,859.25/1,325.63
  6. Step 6: Final answer
    x = 1,016.01

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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.