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Finding the Fourth Proportional to 66,168.54, 99,267.39 and 36,629.46

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Solution

The fourth proportional to 66,168.54, 99,267.39 and 36,629.46 is: 54,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168.54 : 99,267.39 = 36,629.46 : x
  2. Step 2: Convert to fraction form
    66,168.54/99,267.39 = 36,629.46/x
  3. Step 3: Cross multiply
    66,168.54x = 99,267.39 × 36,629.46
  4. Step 4: Simplify right side
    66,168.54x = 3,636,110,891.31
  5. Step 5: Solve for x
    x = 3,636,110,891.31/66,168.54
  6. Step 6: Final answer
    x = 54,952.26

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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.