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Finding the Fourth Proportional to 1,796.84, 2,479.57 and 1,010.87

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Solution

The fourth proportional to 1,796.84, 2,479.57 and 1,010.87 is: 1,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.84 : 2,479.57 = 1,010.87 : x
  2. Step 2: Convert to fraction form
    1,796.84/2,479.57 = 1,010.87/x
  3. Step 3: Cross multiply
    1,796.84x = 2,479.57 × 1,010.87
  4. Step 4: Simplify right side
    1,796.84x = 2,506,508.00
  5. Step 5: Solve for x
    x = 2,506,508.00/1,796.84
  6. Step 6: Final answer
    x = 1,394.96

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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.