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Finding the Fourth Proportional to 1,754.35, 2,626.66 and 886.84

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Solution

The fourth proportional to 1,754.35, 2,626.66 and 886.84 is: 1,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.35 : 2,626.66 = 886.84 : x
  2. Step 2: Convert to fraction form
    1,754.35/2,626.66 = 886.84/x
  3. Step 3: Cross multiply
    1,754.35x = 2,626.66 × 886.84
  4. Step 4: Simplify right side
    1,754.35x = 2,329,427.15
  5. Step 5: Solve for x
    x = 2,329,427.15/1,754.35
  6. Step 6: Final answer
    x = 1,327.80

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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.