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Finding the Fourth Proportional to 2,017.59, 3,026.40 and 556.74

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Solution

The fourth proportional to 2,017.59, 3,026.40 and 556.74 is: 835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.59 : 3,026.40 = 556.74 : x
  2. Step 2: Convert to fraction form
    2,017.59/3,026.40 = 556.74/x
  3. Step 3: Cross multiply
    2,017.59x = 3,026.40 × 556.74
  4. Step 4: Simplify right side
    2,017.59x = 1,684,917.94
  5. Step 5: Solve for x
    x = 1,684,917.94/2,017.59
  6. Step 6: Final answer
    x = 835.11

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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.