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Finding the Fourth Proportional to 1,059.38, 1,587.65 and 596.97

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Solution

The fourth proportional to 1,059.38, 1,587.65 and 596.97 is: 894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.38 : 1,587.65 = 596.97 : x
  2. Step 2: Convert to fraction form
    1,059.38/1,587.65 = 596.97/x
  3. Step 3: Cross multiply
    1,059.38x = 1,587.65 × 596.97
  4. Step 4: Simplify right side
    1,059.38x = 947,779.42
  5. Step 5: Solve for x
    x = 947,779.42/1,059.38
  6. Step 6: Final answer
    x = 894.65

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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.