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Finding the Fourth Proportional to 9,065.16, 13,622.04 and 7,922.22

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Solution

The fourth proportional to 9,065.16, 13,622.04 and 7,922.22 is: 11,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.16 : 13,622.04 = 7,922.22 : x
  2. Step 2: Convert to fraction form
    9,065.16/13,622.04 = 7,922.22/x
  3. Step 3: Cross multiply
    9,065.16x = 13,622.04 × 7,922.22
  4. Step 4: Simplify right side
    9,065.16x = 107,916,797.73
  5. Step 5: Solve for x
    x = 107,916,797.73/9,065.16
  6. Step 6: Final answer
    x = 11,904.57

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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.