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Finding the Fourth Proportional to 8,581.92, 11,842.92 and 4,805.34

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Solution

The fourth proportional to 8,581.92, 11,842.92 and 4,805.34 is: 6,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.92 : 11,842.92 = 4,805.34 : x
  2. Step 2: Convert to fraction form
    8,581.92/11,842.92 = 4,805.34/x
  3. Step 3: Cross multiply
    8,581.92x = 11,842.92 × 4,805.34
  4. Step 4: Simplify right side
    8,581.92x = 56,909,257.19
  5. Step 5: Solve for x
    x = 56,909,257.19/8,581.92
  6. Step 6: Final answer
    x = 6,631.30

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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.