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Finding the Fourth Proportional to 66,267.69, 99,404.73 and 21,893.46

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Solution

The fourth proportional to 66,267.69, 99,404.73 and 21,893.46 is: 32,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267.69 : 99,404.73 = 21,893.46 : x
  2. Step 2: Convert to fraction form
    66,267.69/99,404.73 = 21,893.46/x
  3. Step 3: Cross multiply
    66,267.69x = 99,404.73 × 21,893.46
  4. Step 4: Simplify right side
    66,267.69x = 2,176,313,480.07
  5. Step 5: Solve for x
    x = 2,176,313,480.07/66,267.69
  6. Step 6: Final answer
    x = 32,841.25

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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.