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Finding the Fourth Proportional to 1,949.54, 2,693.10 and 1,783.58

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Solution

The fourth proportional to 1,949.54, 2,693.10 and 1,783.58 is: 2,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.54 : 2,693.10 = 1,783.58 : x
  2. Step 2: Convert to fraction form
    1,949.54/2,693.10 = 1,783.58/x
  3. Step 3: Cross multiply
    1,949.54x = 2,693.10 × 1,783.58
  4. Step 4: Simplify right side
    1,949.54x = 4,803,359.30
  5. Step 5: Solve for x
    x = 4,803,359.30/1,949.54
  6. Step 6: Final answer
    x = 2,463.84

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Why These Related Problems?

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