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Finding the Fourth Proportional to 4,124.64, 6,187.86 and 1,932.18

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Solution

The fourth proportional to 4,124.64, 6,187.86 and 1,932.18 is: 2,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.64 : 6,187.86 = 1,932.18 : x
  2. Step 2: Convert to fraction form
    4,124.64/6,187.86 = 1,932.18/x
  3. Step 3: Cross multiply
    4,124.64x = 6,187.86 × 1,932.18
  4. Step 4: Simplify right side
    4,124.64x = 11,956,059.33
  5. Step 5: Solve for x
    x = 11,956,059.33/4,124.64
  6. Step 6: Final answer
    x = 2,898.69

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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.