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Finding the Fourth Proportional to 1,511.88, 2,267.63 and 586.82

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Solution

The fourth proportional to 1,511.88, 2,267.63 and 586.82 is: 880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.88 : 2,267.63 = 586.82 : x
  2. Step 2: Convert to fraction form
    1,511.88/2,267.63 = 586.82/x
  3. Step 3: Cross multiply
    1,511.88x = 2,267.63 × 586.82
  4. Step 4: Simplify right side
    1,511.88x = 1,330,676.36
  5. Step 5: Solve for x
    x = 1,330,676.36/1,511.88
  6. Step 6: Final answer
    x = 880.15

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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.