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Finding the Fourth Proportional to 1,230.96, 1,844.88 and 956.16

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Solution

The fourth proportional to 1,230.96, 1,844.88 and 956.16 is: 1,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.96 : 1,844.88 = 956.16 : x
  2. Step 2: Convert to fraction form
    1,230.96/1,844.88 = 956.16/x
  3. Step 3: Cross multiply
    1,230.96x = 1,844.88 × 956.16
  4. Step 4: Simplify right side
    1,230.96x = 1,764,000.46
  5. Step 5: Solve for x
    x = 1,764,000.46/1,230.96
  6. Step 6: Final answer
    x = 1,433.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.