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Finding the Fourth Proportional to 2,893.02, 3,992.88 and 1,714.50

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Solution

The fourth proportional to 2,893.02, 3,992.88 and 1,714.50 is: 2,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.02 : 3,992.88 = 1,714.50 : x
  2. Step 2: Convert to fraction form
    2,893.02/3,992.88 = 1,714.50/x
  3. Step 3: Cross multiply
    2,893.02x = 3,992.88 × 1,714.50
  4. Step 4: Simplify right side
    2,893.02x = 6,845,792.76
  5. Step 5: Solve for x
    x = 6,845,792.76/2,893.02
  6. Step 6: Final answer
    x = 2,366.31

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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.