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Finding the Fourth Proportional to 1,597.07, 2,396.19 and 672.86

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Solution

The fourth proportional to 1,597.07, 2,396.19 and 672.86 is: 1,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.07 : 2,396.19 = 672.86 : x
  2. Step 2: Convert to fraction form
    1,597.07/2,396.19 = 672.86/x
  3. Step 3: Cross multiply
    1,597.07x = 2,396.19 × 672.86
  4. Step 4: Simplify right side
    1,597.07x = 1,612,300.40
  5. Step 5: Solve for x
    x = 1,612,300.40/1,597.07
  6. Step 6: Final answer
    x = 1,009.54

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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.