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Finding the Fourth Proportional to 66,394.94, 91,622.69 and 37,322.42

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Solution

The fourth proportional to 66,394.94, 91,622.69 and 37,322.42 is: 51,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.94 : 91,622.69 = 37,322.42 : x
  2. Step 2: Convert to fraction form
    66,394.94/91,622.69 = 37,322.42/x
  3. Step 3: Cross multiply
    66,394.94x = 91,622.69 × 37,322.42
  4. Step 4: Simplify right side
    66,394.94x = 3,419,580,517.71
  5. Step 5: Solve for x
    x = 3,419,580,517.71/66,394.94
  6. Step 6: Final answer
    x = 51,503.63

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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.