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Finding the Fourth Proportional to 66,232.97, 91,397.80 and 37,940.48

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Solution

The fourth proportional to 66,232.97, 91,397.80 and 37,940.48 is: 52,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.97 : 91,397.80 = 37,940.48 : x
  2. Step 2: Convert to fraction form
    66,232.97/91,397.80 = 37,940.48/x
  3. Step 3: Cross multiply
    66,232.97x = 91,397.80 × 37,940.48
  4. Step 4: Simplify right side
    66,232.97x = 3,467,676,402.94
  5. Step 5: Solve for x
    x = 3,467,676,402.94/66,232.97
  6. Step 6: Final answer
    x = 52,355.74

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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.