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Finding the Fourth Proportional to 7,908.16, 11,862.21 and 2,064.73

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Solution

The fourth proportional to 7,908.16, 11,862.21 and 2,064.73 is: 3,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.16 : 11,862.21 = 2,064.73 : x
  2. Step 2: Convert to fraction form
    7,908.16/11,862.21 = 2,064.73/x
  3. Step 3: Cross multiply
    7,908.16x = 11,862.21 × 2,064.73
  4. Step 4: Simplify right side
    7,908.16x = 24,492,260.85
  5. Step 5: Solve for x
    x = 24,492,260.85/7,908.16
  6. Step 6: Final answer
    x = 3,097.09

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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.