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Finding the Fourth Proportional to 3,473.69, 4,785.48 and 2,873.68

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Solution

The fourth proportional to 3,473.69, 4,785.48 and 2,873.68 is: 3,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.69 : 4,785.48 = 2,873.68 : x
  2. Step 2: Convert to fraction form
    3,473.69/4,785.48 = 2,873.68/x
  3. Step 3: Cross multiply
    3,473.69x = 4,785.48 × 2,873.68
  4. Step 4: Simplify right side
    3,473.69x = 13,751,926.20
  5. Step 5: Solve for x
    x = 13,751,926.20/3,473.69
  6. Step 6: Final answer
    x = 3,958.89

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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.