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Finding the Fourth Proportional to 8,558.96, 12,842.51 and 5,930.51

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Solution

The fourth proportional to 8,558.96, 12,842.51 and 5,930.51 is: 8,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.96 : 12,842.51 = 5,930.51 : x
  2. Step 2: Convert to fraction form
    8,558.96/12,842.51 = 5,930.51/x
  3. Step 3: Cross multiply
    8,558.96x = 12,842.51 × 5,930.51
  4. Step 4: Simplify right side
    8,558.96x = 76,162,540.12
  5. Step 5: Solve for x
    x = 76,162,540.12/8,558.96
  6. Step 6: Final answer
    x = 8,898.58

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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.