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Finding the Fourth Proportional to 44,505.78, 66,769.59 and 13,341

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Solution

The fourth proportional to 44,505.78, 66,769.59 and 13,341 is: 20,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,505.78 : 66,769.59 = 13,341 : x
  2. Step 2: Convert to fraction form
    44,505.78/66,769.59 = 13,341/x
  3. Step 3: Cross multiply
    44,505.78x = 66,769.59 × 13,341
  4. Step 4: Simplify right side
    44,505.78x = 890,773,100.19
  5. Step 5: Solve for x
    x = 890,773,100.19/44,505.78
  6. Step 6: Final answer
    x = 20,014.77

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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.