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Finding the Fourth Proportional to 2,017.19, 3,026.06 and 700.80

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Solution

The fourth proportional to 2,017.19, 3,026.06 and 700.80 is: 1,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.19 : 3,026.06 = 700.80 : x
  2. Step 2: Convert to fraction form
    2,017.19/3,026.06 = 700.80/x
  3. Step 3: Cross multiply
    2,017.19x = 3,026.06 × 700.80
  4. Step 4: Simplify right side
    2,017.19x = 2,120,659.34
  5. Step 5: Solve for x
    x = 2,120,659.34/2,017.19
  6. Step 6: Final answer
    x = 1,051.30

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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.