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Finding the Fourth Proportional to 12,473.61, 18,713.61 and 3,708.33

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Solution

The fourth proportional to 12,473.61, 18,713.61 and 3,708.33 is: 5,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.61 : 18,713.61 = 3,708.33 : x
  2. Step 2: Convert to fraction form
    12,473.61/18,713.61 = 3,708.33/x
  3. Step 3: Cross multiply
    12,473.61x = 18,713.61 × 3,708.33
  4. Step 4: Simplify right side
    12,473.61x = 69,396,241.37
  5. Step 5: Solve for x
    x = 69,396,241.37/12,473.61
  6. Step 6: Final answer
    x = 5,563.44

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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.