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Finding the Fourth Proportional to 2,701.67, 4,051.07 and 852.30

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Solution

The fourth proportional to 2,701.67, 4,051.07 and 852.30 is: 1,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.67 : 4,051.07 = 852.30 : x
  2. Step 2: Convert to fraction form
    2,701.67/4,051.07 = 852.30/x
  3. Step 3: Cross multiply
    2,701.67x = 4,051.07 × 852.30
  4. Step 4: Simplify right side
    2,701.67x = 3,452,722.70
  5. Step 5: Solve for x
    x = 3,452,722.70/2,701.67
  6. Step 6: Final answer
    x = 1,278.00

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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.