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Finding the Fourth Proportional to 66,884.76, 100,332.09 and 22,511.34

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Solution

The fourth proportional to 66,884.76, 100,332.09 and 22,511.34 is: 33,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,884.76 : 100,332.09 = 22,511.34 : x
  2. Step 2: Convert to fraction form
    66,884.76/100,332.09 = 22,511.34/x
  3. Step 3: Cross multiply
    66,884.76x = 100,332.09 × 22,511.34
  4. Step 4: Simplify right side
    66,884.76x = 2,258,609,790.90
  5. Step 5: Solve for x
    x = 2,258,609,790.90/66,884.76
  6. Step 6: Final answer
    x = 33,768.68

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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.