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Finding the Fourth Proportional to 34,059.92, 47,007.67 and 20,448.88

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Solution

The fourth proportional to 34,059.92, 47,007.67 and 20,448.88 is: 28,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,059.92 : 47,007.67 = 20,448.88 : x
  2. Step 2: Convert to fraction form
    34,059.92/47,007.67 = 20,448.88/x
  3. Step 3: Cross multiply
    34,059.92x = 47,007.67 × 20,448.88
  4. Step 4: Simplify right side
    34,059.92x = 961,254,147.31
  5. Step 5: Solve for x
    x = 961,254,147.31/34,059.92
  6. Step 6: Final answer
    x = 28,222.44

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Half scale
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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.