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Finding the Fourth Proportional to 1,992.53, 2,746.14 and 1,763.39

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Solution

The fourth proportional to 1,992.53, 2,746.14 and 1,763.39 is: 2,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.53 : 2,746.14 = 1,763.39 : x
  2. Step 2: Convert to fraction form
    1,992.53/2,746.14 = 1,763.39/x
  3. Step 3: Cross multiply
    1,992.53x = 2,746.14 × 1,763.39
  4. Step 4: Simplify right side
    1,992.53x = 4,842,502.08
  5. Step 5: Solve for x
    x = 4,842,502.08/1,992.53
  6. Step 6: Final answer
    x = 2,430.33

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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.