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Finding the Fourth Proportional to 11,484.55, 17,191.05 and 8,845.21

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Solution

The fourth proportional to 11,484.55, 17,191.05 and 8,845.21 is: 13,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.55 : 17,191.05 = 8,845.21 : x
  2. Step 2: Convert to fraction form
    11,484.55/17,191.05 = 8,845.21/x
  3. Step 3: Cross multiply
    11,484.55x = 17,191.05 × 8,845.21
  4. Step 4: Simplify right side
    11,484.55x = 152,058,447.37
  5. Step 5: Solve for x
    x = 152,058,447.37/11,484.55
  6. Step 6: Final answer
    x = 13,240.26

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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.