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Finding the Fourth Proportional to 66,149.34, 91,287.50 and 37,469.13

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Solution

The fourth proportional to 66,149.34, 91,287.50 and 37,469.13 is: 51,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.34 : 91,287.50 = 37,469.13 : x
  2. Step 2: Convert to fraction form
    66,149.34/91,287.50 = 37,469.13/x
  3. Step 3: Cross multiply
    66,149.34x = 91,287.50 × 37,469.13
  4. Step 4: Simplify right side
    66,149.34x = 3,420,463,204.88
  5. Step 5: Solve for x
    x = 3,420,463,204.88/66,149.34
  6. Step 6: Final answer
    x = 51,708.20

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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.