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Finding the Fourth Proportional to 5,340.68, 8,000.14 and 4,357

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Solution

The fourth proportional to 5,340.68, 8,000.14 and 4,357 is: 6,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.68 : 8,000.14 = 4,357 : x
  2. Step 2: Convert to fraction form
    5,340.68/8,000.14 = 4,357/x
  3. Step 3: Cross multiply
    5,340.68x = 8,000.14 × 4,357
  4. Step 4: Simplify right side
    5,340.68x = 34,856,609.98
  5. Step 5: Solve for x
    x = 34,856,609.98/5,340.68
  6. Step 6: Final answer
    x = 6,526.62

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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.