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Finding the Fourth Proportional to 66,295.33, 91,489.61 and 37,616.20

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Solution

The fourth proportional to 66,295.33, 91,489.61 and 37,616.20 is: 51,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,295.33 : 91,489.61 = 37,616.20 : x
  2. Step 2: Convert to fraction form
    66,295.33/91,489.61 = 37,616.20/x
  3. Step 3: Cross multiply
    66,295.33x = 91,489.61 × 37,616.20
  4. Step 4: Simplify right side
    66,295.33x = 3,441,491,333.00
  5. Step 5: Solve for x
    x = 3,441,491,333.00/66,295.33
  6. Step 6: Final answer
    x = 51,911.52

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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.