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Finding the Fourth Proportional to 1,881.81, 2,822.84 and 1,060.79

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Solution

The fourth proportional to 1,881.81, 2,822.84 and 1,060.79 is: 1,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.81 : 2,822.84 = 1,060.79 : x
  2. Step 2: Convert to fraction form
    1,881.81/2,822.84 = 1,060.79/x
  3. Step 3: Cross multiply
    1,881.81x = 2,822.84 × 1,060.79
  4. Step 4: Simplify right side
    1,881.81x = 2,994,421.03
  5. Step 5: Solve for x
    x = 2,994,421.03/1,881.81
  6. Step 6: Final answer
    x = 1,591.25

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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.