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Finding the Fourth Proportional to 4,458.47, 6,687.72 and 1,827.41

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Solution

The fourth proportional to 4,458.47, 6,687.72 and 1,827.41 is: 2,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.47 : 6,687.72 = 1,827.41 : x
  2. Step 2: Convert to fraction form
    4,458.47/6,687.72 = 1,827.41/x
  3. Step 3: Cross multiply
    4,458.47x = 6,687.72 × 1,827.41
  4. Step 4: Simplify right side
    4,458.47x = 12,221,172.97
  5. Step 5: Solve for x
    x = 12,221,172.97/4,458.47
  6. Step 6: Final answer
    x = 2,741.12

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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.