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Finding the Fourth Proportional to 10,670.80, 16,005.88 and 3,274.96

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Solution

The fourth proportional to 10,670.80, 16,005.88 and 3,274.96 is: 4,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.80 : 16,005.88 = 3,274.96 : x
  2. Step 2: Convert to fraction form
    10,670.80/16,005.88 = 3,274.96/x
  3. Step 3: Cross multiply
    10,670.80x = 16,005.88 × 3,274.96
  4. Step 4: Simplify right side
    10,670.80x = 52,418,616.76
  5. Step 5: Solve for x
    x = 52,418,616.76/10,670.80
  6. Step 6: Final answer
    x = 4,912.34

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1.5x scale

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.