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Finding the Fourth Proportional to 1,322.01, 1,824.36 and 732.54

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Solution

The fourth proportional to 1,322.01, 1,824.36 and 732.54 is: 1,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.01 : 1,824.36 = 732.54 : x
  2. Step 2: Convert to fraction form
    1,322.01/1,824.36 = 732.54/x
  3. Step 3: Cross multiply
    1,322.01x = 1,824.36 × 732.54
  4. Step 4: Simplify right side
    1,322.01x = 1,336,419.42
  5. Step 5: Solve for x
    x = 1,336,419.42/1,322.01
  6. Step 6: Final answer
    x = 1,010.90

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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.