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Finding the Fourth Proportional to 2,893.95, 3,991.75 and 2,044.45

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Solution

The fourth proportional to 2,893.95, 3,991.75 and 2,044.45 is: 2,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.95 : 3,991.75 = 2,044.45 : x
  2. Step 2: Convert to fraction form
    2,893.95/3,991.75 = 2,044.45/x
  3. Step 3: Cross multiply
    2,893.95x = 3,991.75 × 2,044.45
  4. Step 4: Simplify right side
    2,893.95x = 8,160,933.29
  5. Step 5: Solve for x
    x = 8,160,933.29/2,893.95
  6. Step 6: Final answer
    x = 2,820.00

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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.