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Finding the Fourth Proportional to 8,842.11, 13,264.03 and 3,221.31

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Solution

The fourth proportional to 8,842.11, 13,264.03 and 3,221.31 is: 4,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.11 : 13,264.03 = 3,221.31 : x
  2. Step 2: Convert to fraction form
    8,842.11/13,264.03 = 3,221.31/x
  3. Step 3: Cross multiply
    8,842.11x = 13,264.03 × 3,221.31
  4. Step 4: Simplify right side
    8,842.11x = 42,727,502.74
  5. Step 5: Solve for x
    x = 42,727,502.74/8,842.11
  6. Step 6: Final answer
    x = 4,832.27

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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.