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Finding the Fourth Proportional to 4,519.48, 6,760.50 and 4,243

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Solution

The fourth proportional to 4,519.48, 6,760.50 and 4,243 is: 6,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.48 : 6,760.50 = 4,243 : x
  2. Step 2: Convert to fraction form
    4,519.48/6,760.50 = 4,243/x
  3. Step 3: Cross multiply
    4,519.48x = 6,760.50 × 4,243
  4. Step 4: Simplify right side
    4,519.48x = 28,684,801.50
  5. Step 5: Solve for x
    x = 28,684,801.50/4,519.48
  6. Step 6: Final answer
    x = 6,346.93

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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.