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Finding the Fourth Proportional to 6,474.47, 9,711.72 and 2,094.99

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Solution

The fourth proportional to 6,474.47, 9,711.72 and 2,094.99 is: 3,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.47 : 9,711.72 = 2,094.99 : x
  2. Step 2: Convert to fraction form
    6,474.47/9,711.72 = 2,094.99/x
  3. Step 3: Cross multiply
    6,474.47x = 9,711.72 × 2,094.99
  4. Step 4: Simplify right side
    6,474.47x = 20,345,956.28
  5. Step 5: Solve for x
    x = 20,345,956.28/6,474.47
  6. Step 6: Final answer
    x = 3,142.49

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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.