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Finding the Fourth Proportional to 958.69, 1,436.14 and 795.88

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Solution

The fourth proportional to 958.69, 1,436.14 and 795.88 is: 1,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.69 : 1,436.14 = 795.88 : x
  2. Step 2: Convert to fraction form
    958.69/1,436.14 = 795.88/x
  3. Step 3: Cross multiply
    958.69x = 1,436.14 × 795.88
  4. Step 4: Simplify right side
    958.69x = 1,142,995.10
  5. Step 5: Solve for x
    x = 1,142,995.10/958.69
  6. Step 6: Final answer
    x = 1,192.25

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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.