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Finding the Fourth Proportional to 2,017.74, 3,026.26 and 556.89

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Solution

The fourth proportional to 2,017.74, 3,026.26 and 556.89 is: 835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.74 : 3,026.26 = 556.89 : x
  2. Step 2: Convert to fraction form
    2,017.74/3,026.26 = 556.89/x
  3. Step 3: Cross multiply
    2,017.74x = 3,026.26 × 556.89
  4. Step 4: Simplify right side
    2,017.74x = 1,685,287.53
  5. Step 5: Solve for x
    x = 1,685,287.53/2,017.74
  6. Step 6: Final answer
    x = 835.24

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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.