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Finding the Fourth Proportional to 2,892.36, 3,992.04 and 1,714.08

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Solution

The fourth proportional to 2,892.36, 3,992.04 and 1,714.08 is: 2,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.36 : 3,992.04 = 1,714.08 : x
  2. Step 2: Convert to fraction form
    2,892.36/3,992.04 = 1,714.08/x
  3. Step 3: Cross multiply
    2,892.36x = 3,992.04 × 1,714.08
  4. Step 4: Simplify right side
    2,892.36x = 6,842,675.92
  5. Step 5: Solve for x
    x = 6,842,675.92/2,892.36
  6. Step 6: Final answer
    x = 2,365.78

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1.5x scale

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.