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Finding the Fourth Proportional to 44,843.34, 67,266.18 and 13,678.50

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Solution

The fourth proportional to 44,843.34, 67,266.18 and 13,678.50 is: 20,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,843.34 : 67,266.18 = 13,678.50 : x
  2. Step 2: Convert to fraction form
    44,843.34/67,266.18 = 13,678.50/x
  3. Step 3: Cross multiply
    44,843.34x = 67,266.18 × 13,678.50
  4. Step 4: Simplify right side
    44,843.34x = 920,100,443.13
  5. Step 5: Solve for x
    x = 920,100,443.13/44,843.34
  6. Step 6: Final answer
    x = 20,518.11

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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.