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Finding the Fourth Proportional to 8,824.56, 12,165.03 and 6,302.22

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Solution

The fourth proportional to 8,824.56, 12,165.03 and 6,302.22 is: 8,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.56 : 12,165.03 = 6,302.22 : x
  2. Step 2: Convert to fraction form
    8,824.56/12,165.03 = 6,302.22/x
  3. Step 3: Cross multiply
    8,824.56x = 12,165.03 × 6,302.22
  4. Step 4: Simplify right side
    8,824.56x = 76,666,695.37
  5. Step 5: Solve for x
    x = 76,666,695.37/8,824.56
  6. Step 6: Final answer
    x = 8,687.88

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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.