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Finding the Fourth Proportional to 12,633.52, 18,950.88 and 3,868.48

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Solution

The fourth proportional to 12,633.52, 18,950.88 and 3,868.48 is: 5,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.52 : 18,950.88 = 3,868.48 : x
  2. Step 2: Convert to fraction form
    12,633.52/18,950.88 = 3,868.48/x
  3. Step 3: Cross multiply
    12,633.52x = 18,950.88 × 3,868.48
  4. Step 4: Simplify right side
    12,633.52x = 73,311,100.26
  5. Step 5: Solve for x
    x = 73,311,100.26/12,633.52
  6. Step 6: Final answer
    x = 5,802.90

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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.