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Finding the Fourth Proportional to 82,393.76, 123,627.40 and 37,996.68

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Solution

The fourth proportional to 82,393.76, 123,627.40 and 37,996.68 is: 57,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393.76 : 123,627.40 = 37,996.68 : x
  2. Step 2: Convert to fraction form
    82,393.76/123,627.40 = 37,996.68/x
  3. Step 3: Cross multiply
    82,393.76x = 123,627.40 × 37,996.68
  4. Step 4: Simplify right side
    82,393.76x = 4,697,430,757.03
  5. Step 5: Solve for x
    x = 4,697,430,757.03/82,393.76
  6. Step 6: Final answer
    x = 57,011.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.