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Finding the Fourth Proportional to 44,223.15, 66,343.48 and 12,633.48

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Solution

The fourth proportional to 44,223.15, 66,343.48 and 12,633.48 is: 18,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,223.15 : 66,343.48 = 12,633.48 : x
  2. Step 2: Convert to fraction form
    44,223.15/66,343.48 = 12,633.48/x
  3. Step 3: Cross multiply
    44,223.15x = 66,343.48 × 12,633.48
  4. Step 4: Simplify right side
    44,223.15x = 838,149,027.71
  5. Step 5: Solve for x
    x = 838,149,027.71/44,223.15
  6. Step 6: Final answer
    x = 18,952.72

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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.