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Finding the Fourth Proportional to 1,452.42, 2,004.12 and 892.98

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Solution

The fourth proportional to 1,452.42, 2,004.12 and 892.98 is: 1,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.42 : 2,004.12 = 892.98 : x
  2. Step 2: Convert to fraction form
    1,452.42/2,004.12 = 892.98/x
  3. Step 3: Cross multiply
    1,452.42x = 2,004.12 × 892.98
  4. Step 4: Simplify right side
    1,452.42x = 1,789,639.08
  5. Step 5: Solve for x
    x = 1,789,639.08/1,452.42
  6. Step 6: Final answer
    x = 1,232.18

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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.