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Finding the Fourth Proportional to 6,178.50, 8,526.36 and 3,384

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Solution

The fourth proportional to 6,178.50, 8,526.36 and 3,384 is: 4,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.50 : 8,526.36 = 3,384 : x
  2. Step 2: Convert to fraction form
    6,178.50/8,526.36 = 3,384/x
  3. Step 3: Cross multiply
    6,178.50x = 8,526.36 × 3,384
  4. Step 4: Simplify right side
    6,178.50x = 28,853,202.24
  5. Step 5: Solve for x
    x = 28,853,202.24/6,178.50
  6. Step 6: Final answer
    x = 4,669.94

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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.