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Finding the Fourth Proportional to 1,423.59, 1,964.50 and 794.14

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Solution

The fourth proportional to 1,423.59, 1,964.50 and 794.14 is: 1,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.59 : 1,964.50 = 794.14 : x
  2. Step 2: Convert to fraction form
    1,423.59/1,964.50 = 794.14/x
  3. Step 3: Cross multiply
    1,423.59x = 1,964.50 × 794.14
  4. Step 4: Simplify right side
    1,423.59x = 1,560,092.18
  5. Step 5: Solve for x
    x = 1,560,092.18/1,423.59
  6. Step 6: Final answer
    x = 1,095.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.