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Finding the Fourth Proportional to 9,066.99, 12,525.06 and 8,623.62

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Solution

The fourth proportional to 9,066.99, 12,525.06 and 8,623.62 is: 11,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.99 : 12,525.06 = 8,623.62 : x
  2. Step 2: Convert to fraction form
    9,066.99/12,525.06 = 8,623.62/x
  3. Step 3: Cross multiply
    9,066.99x = 12,525.06 × 8,623.62
  4. Step 4: Simplify right side
    9,066.99x = 108,011,258.78
  5. Step 5: Solve for x
    x = 108,011,258.78/9,066.99
  6. Step 6: Final answer
    x = 11,912.59

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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.