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Finding the Fourth Proportional to 8,789.50, 13,184.25 and 2,633.50

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Solution

The fourth proportional to 8,789.50, 13,184.25 and 2,633.50 is: 3,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.50 : 13,184.25 = 2,633.50 : x
  2. Step 2: Convert to fraction form
    8,789.50/13,184.25 = 2,633.50/x
  3. Step 3: Cross multiply
    8,789.50x = 13,184.25 × 2,633.50
  4. Step 4: Simplify right side
    8,789.50x = 34,720,722.38
  5. Step 5: Solve for x
    x = 34,720,722.38/8,789.50
  6. Step 6: Final answer
    x = 3,950.25

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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.