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Finding the Fourth Proportional to 1,059.63, 1,586.97 and 537.99

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Solution

The fourth proportional to 1,059.63, 1,586.97 and 537.99 is: 805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.63 : 1,586.97 = 537.99 : x
  2. Step 2: Convert to fraction form
    1,059.63/1,586.97 = 537.99/x
  3. Step 3: Cross multiply
    1,059.63x = 1,586.97 × 537.99
  4. Step 4: Simplify right side
    1,059.63x = 853,773.99
  5. Step 5: Solve for x
    x = 853,773.99/1,059.63
  6. Step 6: Final answer
    x = 805.73

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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.