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Finding the Fourth Proportional to 44,704.92, 67,075.74 and 21,316.44

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Solution

The fourth proportional to 44,704.92, 67,075.74 and 21,316.44 is: 31,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,704.92 : 67,075.74 = 21,316.44 : x
  2. Step 2: Convert to fraction form
    44,704.92/67,075.74 = 21,316.44/x
  3. Step 3: Cross multiply
    44,704.92x = 67,075.74 × 21,316.44
  4. Step 4: Simplify right side
    44,704.92x = 1,429,815,987.17
  5. Step 5: Solve for x
    x = 1,429,815,987.17/44,704.92
  6. Step 6: Final answer
    x = 31,983.41

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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.