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Finding the Fourth Proportional to 62,676.05, 86,494.12 and 38,464.88

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Solution

The fourth proportional to 62,676.05, 86,494.12 and 38,464.88 is: 53,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,676.05 : 86,494.12 = 38,464.88 : x
  2. Step 2: Convert to fraction form
    62,676.05/86,494.12 = 38,464.88/x
  3. Step 3: Cross multiply
    62,676.05x = 86,494.12 × 38,464.88
  4. Step 4: Simplify right side
    62,676.05x = 3,326,986,090.75
  5. Step 5: Solve for x
    x = 3,326,986,090.75/62,676.05
  6. Step 6: Final answer
    x = 53,082.25

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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.