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Finding the Fourth Proportional to 80,455.52, 111,029 and 44,645.52

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Solution

The fourth proportional to 80,455.52, 111,029 and 44,645.52 is: 61,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455.52 : 111,029 = 44,645.52 : x
  2. Step 2: Convert to fraction form
    80,455.52/111,029 = 44,645.52/x
  3. Step 3: Cross multiply
    80,455.52x = 111,029 × 44,645.52
  4. Step 4: Simplify right side
    80,455.52x = 4,956,947,440.08
  5. Step 5: Solve for x
    x = 4,956,947,440.08/80,455.52
  6. Step 6: Final answer
    x = 61,611.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.