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Finding the Fourth Proportional to 2,929.62, 4,394.16 and 1,693.16

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Solution

The fourth proportional to 2,929.62, 4,394.16 and 1,693.16 is: 2,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.62 : 4,394.16 = 1,693.16 : x
  2. Step 2: Convert to fraction form
    2,929.62/4,394.16 = 1,693.16/x
  3. Step 3: Cross multiply
    2,929.62x = 4,394.16 × 1,693.16
  4. Step 4: Simplify right side
    2,929.62x = 7,439,993.97
  5. Step 5: Solve for x
    x = 7,439,993.97/2,929.62
  6. Step 6: Final answer
    x = 2,539.58

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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.