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Finding the Fourth Proportional to 4,472.61, 6,172.22 and 2,794.99

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Solution

The fourth proportional to 4,472.61, 6,172.22 and 2,794.99 is: 3,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.61 : 6,172.22 = 2,794.99 : x
  2. Step 2: Convert to fraction form
    4,472.61/6,172.22 = 2,794.99/x
  3. Step 3: Cross multiply
    4,472.61x = 6,172.22 × 2,794.99
  4. Step 4: Simplify right side
    4,472.61x = 17,251,248.34
  5. Step 5: Solve for x
    x = 17,251,248.34/4,472.61
  6. Step 6: Final answer
    x = 3,857.09

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1.5x scale

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.