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Finding the Fourth Proportional to 1,696.34, 2,544.62 and 723.13

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Solution

The fourth proportional to 1,696.34, 2,544.62 and 723.13 is: 1,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.34 : 2,544.62 = 723.13 : x
  2. Step 2: Convert to fraction form
    1,696.34/2,544.62 = 723.13/x
  3. Step 3: Cross multiply
    1,696.34x = 2,544.62 × 723.13
  4. Step 4: Simplify right side
    1,696.34x = 1,840,081.08
  5. Step 5: Solve for x
    x = 1,840,081.08/1,696.34
  6. Step 6: Final answer
    x = 1,084.73

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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.