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Finding the Fourth Proportional to 1,059.30, 1,587.96 and 596.88

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Solution

The fourth proportional to 1,059.30, 1,587.96 and 596.88 is: 894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.30 : 1,587.96 = 596.88 : x
  2. Step 2: Convert to fraction form
    1,059.30/1,587.96 = 596.88/x
  3. Step 3: Cross multiply
    1,059.30x = 1,587.96 × 596.88
  4. Step 4: Simplify right side
    1,059.30x = 947,821.56
  5. Step 5: Solve for x
    x = 947,821.56/1,059.30
  6. Step 6: Final answer
    x = 894.76

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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.