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Finding the Fourth Proportional to 44,588.76, 66,893.94 and 13,424.01

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Solution

The fourth proportional to 44,588.76, 66,893.94 and 13,424.01 is: 20,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,588.76 : 66,893.94 = 13,424.01 : x
  2. Step 2: Convert to fraction form
    44,588.76/66,893.94 = 13,424.01/x
  3. Step 3: Cross multiply
    44,588.76x = 66,893.94 × 13,424.01
  4. Step 4: Simplify right side
    44,588.76x = 897,984,919.50
  5. Step 5: Solve for x
    x = 897,984,919.50/44,588.76
  6. Step 6: Final answer
    x = 20,139.27

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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.