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Finding the Fourth Proportional to 1,063.50, 1,591.84 and 568.67

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Solution

The fourth proportional to 1,063.50, 1,591.84 and 568.67 is: 851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.50 : 1,591.84 = 568.67 : x
  2. Step 2: Convert to fraction form
    1,063.50/1,591.84 = 568.67/x
  3. Step 3: Cross multiply
    1,063.50x = 1,591.84 × 568.67
  4. Step 4: Simplify right side
    1,063.50x = 905,235.63
  5. Step 5: Solve for x
    x = 905,235.63/1,063.50
  6. Step 6: Final answer
    x = 851.18

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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.