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Finding the Fourth Proportional to 44,928.54, 67,392.80 and 13,759.74

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Solution

The fourth proportional to 44,928.54, 67,392.80 and 13,759.74 is: 20,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,928.54 : 67,392.80 = 13,759.74 : x
  2. Step 2: Convert to fraction form
    44,928.54/67,392.80 = 13,759.74/x
  3. Step 3: Cross multiply
    44,928.54x = 67,392.80 × 13,759.74
  4. Step 4: Simplify right side
    44,928.54x = 927,307,440.27
  5. Step 5: Solve for x
    x = 927,307,440.27/44,928.54
  6. Step 6: Final answer
    x = 20,639.61

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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.