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Finding the Fourth Proportional to 44,805.96, 67,207.32 and 13,640.40

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Solution

The fourth proportional to 44,805.96, 67,207.32 and 13,640.40 is: 20,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,805.96 : 67,207.32 = 13,640.40 : x
  2. Step 2: Convert to fraction form
    44,805.96/67,207.32 = 13,640.40/x
  3. Step 3: Cross multiply
    44,805.96x = 67,207.32 × 13,640.40
  4. Step 4: Simplify right side
    44,805.96x = 916,734,727.73
  5. Step 5: Solve for x
    x = 916,734,727.73/44,805.96
  6. Step 6: Final answer
    x = 20,460.11

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1.5x scale

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.