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Finding the Fourth Proportional to 8,476.88, 12,715.31 and 2,633.49

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Solution

The fourth proportional to 8,476.88, 12,715.31 and 2,633.49 is: 3,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.88 : 12,715.31 = 2,633.49 : x
  2. Step 2: Convert to fraction form
    8,476.88/12,715.31 = 2,633.49/x
  3. Step 3: Cross multiply
    8,476.88x = 12,715.31 × 2,633.49
  4. Step 4: Simplify right side
    8,476.88x = 33,485,648.32
  5. Step 5: Solve for x
    x = 33,485,648.32/8,476.88
  6. Step 6: Final answer
    x = 3,950.24

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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.