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Finding the Fourth Proportional to 48,147.79, 66,460.65 and 33,090.30

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Solution

The fourth proportional to 48,147.79, 66,460.65 and 33,090.30 is: 45,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,147.79 : 66,460.65 = 33,090.30 : x
  2. Step 2: Convert to fraction form
    48,147.79/66,460.65 = 33,090.30/x
  3. Step 3: Cross multiply
    48,147.79x = 66,460.65 × 33,090.30
  4. Step 4: Simplify right side
    48,147.79x = 2,199,202,846.70
  5. Step 5: Solve for x
    x = 2,199,202,846.70/48,147.79
  6. Step 6: Final answer
    x = 45,676.09

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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.