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Finding the Fourth Proportional to 957.42, 1,433.99 and 832.42

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Solution

The fourth proportional to 957.42, 1,433.99 and 832.42 is: 1,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.42 : 1,433.99 = 832.42 : x
  2. Step 2: Convert to fraction form
    957.42/1,433.99 = 832.42/x
  3. Step 3: Cross multiply
    957.42x = 1,433.99 × 832.42
  4. Step 4: Simplify right side
    957.42x = 1,193,681.96
  5. Step 5: Solve for x
    x = 1,193,681.96/957.42
  6. Step 6: Final answer
    x = 1,246.77

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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.