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Finding the Fourth Proportional to 1,711.08, 2,567 and 556.82

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Solution

The fourth proportional to 1,711.08, 2,567 and 556.82 is: 835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.08 : 2,567 = 556.82 : x
  2. Step 2: Convert to fraction form
    1,711.08/2,567 = 556.82/x
  3. Step 3: Cross multiply
    1,711.08x = 2,567 × 556.82
  4. Step 4: Simplify right side
    1,711.08x = 1,429,356.94
  5. Step 5: Solve for x
    x = 1,429,356.94/1,711.08
  6. Step 6: Final answer
    x = 835.35

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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.