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Finding the Fourth Proportional to 2,893.60, 3,992.48 and 1,714.08

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Solution

The fourth proportional to 2,893.60, 3,992.48 and 1,714.08 is: 2,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.60 : 3,992.48 = 1,714.08 : x
  2. Step 2: Convert to fraction form
    2,893.60/3,992.48 = 1,714.08/x
  3. Step 3: Cross multiply
    2,893.60x = 3,992.48 × 1,714.08
  4. Step 4: Simplify right side
    2,893.60x = 6,843,430.12
  5. Step 5: Solve for x
    x = 6,843,430.12/2,893.60
  6. Step 6: Final answer
    x = 2,365.02

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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.