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Finding the Fourth Proportional to 44,541.75, 66,813.03 and 13,377

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Solution

The fourth proportional to 44,541.75, 66,813.03 and 13,377 is: 20,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,541.75 : 66,813.03 = 13,377 : x
  2. Step 2: Convert to fraction form
    44,541.75/66,813.03 = 13,377/x
  3. Step 3: Cross multiply
    44,541.75x = 66,813.03 × 13,377
  4. Step 4: Simplify right side
    44,541.75x = 893,757,902.31
  5. Step 5: Solve for x
    x = 893,757,902.31/44,541.75
  6. Step 6: Final answer
    x = 20,065.62

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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.