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Finding the Fourth Proportional to 1,584.86, 2,377.30 and 960.32

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Solution

The fourth proportional to 1,584.86, 2,377.30 and 960.32 is: 1,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.86 : 2,377.30 = 960.32 : x
  2. Step 2: Convert to fraction form
    1,584.86/2,377.30 = 960.32/x
  3. Step 3: Cross multiply
    1,584.86x = 2,377.30 × 960.32
  4. Step 4: Simplify right side
    1,584.86x = 2,282,956.85
  5. Step 5: Solve for x
    x = 2,282,956.85/1,584.86
  6. Step 6: Final answer
    x = 1,440.48

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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.