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Finding the Fourth Proportional to 47,873.39, 71,842.88 and 16,708.64

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Solution

The fourth proportional to 47,873.39, 71,842.88 and 16,708.64 is: 25,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873.39 : 71,842.88 = 16,708.64 : x
  2. Step 2: Convert to fraction form
    47,873.39/71,842.88 = 16,708.64/x
  3. Step 3: Cross multiply
    47,873.39x = 71,842.88 × 16,708.64
  4. Step 4: Simplify right side
    47,873.39x = 1,200,396,501.04
  5. Step 5: Solve for x
    x = 1,200,396,501.04/47,873.39
  6. Step 6: Final answer
    x = 25,074.40

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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.