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Finding the Fourth Proportional to 1,325.71, 1,829.49 and 736.24

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Solution

The fourth proportional to 1,325.71, 1,829.49 and 736.24 is: 1,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.71 : 1,829.49 = 736.24 : x
  2. Step 2: Convert to fraction form
    1,325.71/1,829.49 = 736.24/x
  3. Step 3: Cross multiply
    1,325.71x = 1,829.49 × 736.24
  4. Step 4: Simplify right side
    1,325.71x = 1,346,943.72
  5. Step 5: Solve for x
    x = 1,346,943.72/1,325.71
  6. Step 6: Final answer
    x = 1,016.02

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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.