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Finding the Fourth Proportional to 66,410.97, 91,636.61 and 37,333.59

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Solution

The fourth proportional to 66,410.97, 91,636.61 and 37,333.59 is: 51,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,410.97 : 91,636.61 = 37,333.59 : x
  2. Step 2: Convert to fraction form
    66,410.97/91,636.61 = 37,333.59/x
  3. Step 3: Cross multiply
    66,410.97x = 91,636.61 × 37,333.59
  4. Step 4: Simplify right side
    66,410.97x = 3,421,123,440.06
  5. Step 5: Solve for x
    x = 3,421,123,440.06/66,410.97
  6. Step 6: Final answer
    x = 51,514.43

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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.