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Finding the Fourth Proportional to 44,930.90, 67,376.90 and 13,758.86

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Solution

The fourth proportional to 44,930.90, 67,376.90 and 13,758.86 is: 20,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,930.90 : 67,376.90 = 13,758.86 : x
  2. Step 2: Convert to fraction form
    44,930.90/67,376.90 = 13,758.86/x
  3. Step 3: Cross multiply
    44,930.90x = 67,376.90 × 13,758.86
  4. Step 4: Simplify right side
    44,930.90x = 927,029,334.33
  5. Step 5: Solve for x
    x = 927,029,334.33/44,930.90
  6. Step 6: Final answer
    x = 20,632.33

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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.