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Finding the Fourth Proportional to 66,176.80, 91,324.88 and 35,962.59

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Solution

The fourth proportional to 66,176.80, 91,324.88 and 35,962.59 is: 49,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.80 : 91,324.88 = 35,962.59 : x
  2. Step 2: Convert to fraction form
    66,176.80/91,324.88 = 35,962.59/x
  3. Step 3: Cross multiply
    66,176.80x = 91,324.88 × 35,962.59
  4. Step 4: Simplify right side
    66,176.80x = 3,284,279,216.24
  5. Step 5: Solve for x
    x = 3,284,279,216.24/66,176.80
  6. Step 6: Final answer
    x = 49,628.86

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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.