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Finding the Fourth Proportional to 5,677.63, 7,835.50 and 3,159.71

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Solution

The fourth proportional to 5,677.63, 7,835.50 and 3,159.71 is: 4,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.63 : 7,835.50 = 3,159.71 : x
  2. Step 2: Convert to fraction form
    5,677.63/7,835.50 = 3,159.71/x
  3. Step 3: Cross multiply
    5,677.63x = 7,835.50 × 3,159.71
  4. Step 4: Simplify right side
    5,677.63x = 24,757,901.86
  5. Step 5: Solve for x
    x = 24,757,901.86/5,677.63
  6. Step 6: Final answer
    x = 4,360.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.