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Finding the Fourth Proportional to 9,066.16, 13,610.24 and 8,606.88

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Solution

The fourth proportional to 9,066.16, 13,610.24 and 8,606.88 is: 12,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.16 : 13,610.24 = 8,606.88 : x
  2. Step 2: Convert to fraction form
    9,066.16/13,610.24 = 8,606.88/x
  3. Step 3: Cross multiply
    9,066.16x = 13,610.24 × 8,606.88
  4. Step 4: Simplify right side
    9,066.16x = 117,141,702.45
  5. Step 5: Solve for x
    x = 117,141,702.45/9,066.16
  6. Step 6: Final answer
    x = 12,920.76

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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.