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Finding the Fourth Proportional to 66,906.62, 92,282.93 and 43,010.46

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Solution

The fourth proportional to 66,906.62, 92,282.93 and 43,010.46 is: 59,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.62 : 92,282.93 = 43,010.46 : x
  2. Step 2: Convert to fraction form
    66,906.62/92,282.93 = 43,010.46/x
  3. Step 3: Cross multiply
    66,906.62x = 92,282.93 × 43,010.46
  4. Step 4: Simplify right side
    66,906.62x = 3,969,131,215.68
  5. Step 5: Solve for x
    x = 3,969,131,215.68/66,906.62
  6. Step 6: Final answer
    x = 59,323.45

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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.