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Finding the Fourth Proportional to 1,881.96, 2,818.08 and 1,673

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Solution

The fourth proportional to 1,881.96, 2,818.08 and 1,673 is: 2,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.96 : 2,818.08 = 1,673 : x
  2. Step 2: Convert to fraction form
    1,881.96/2,818.08 = 1,673/x
  3. Step 3: Cross multiply
    1,881.96x = 2,818.08 × 1,673
  4. Step 4: Simplify right side
    1,881.96x = 4,714,647.84
  5. Step 5: Solve for x
    x = 4,714,647.84/1,881.96
  6. Step 6: Final answer
    x = 2,505.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.