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Finding the Fourth Proportional to 932.14, 1,396.21 and 710.30

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Solution

The fourth proportional to 932.14, 1,396.21 and 710.30 is: 1,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.14 : 1,396.21 = 710.30 : x
  2. Step 2: Convert to fraction form
    932.14/1,396.21 = 710.30/x
  3. Step 3: Cross multiply
    932.14x = 1,396.21 × 710.30
  4. Step 4: Simplify right side
    932.14x = 991,727.96
  5. Step 5: Solve for x
    x = 991,727.96/932.14
  6. Step 6: Final answer
    x = 1,063.93

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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.