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Finding the Fourth Proportional to 9,168.56, 12,651 and 5,981.01

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Solution

The fourth proportional to 9,168.56, 12,651 and 5,981.01 is: 8,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.56 : 12,651 = 5,981.01 : x
  2. Step 2: Convert to fraction form
    9,168.56/12,651 = 5,981.01/x
  3. Step 3: Cross multiply
    9,168.56x = 12,651 × 5,981.01
  4. Step 4: Simplify right side
    9,168.56x = 75,665,757.51
  5. Step 5: Solve for x
    x = 75,665,757.51/9,168.56
  6. Step 6: Final answer
    x = 8,252.75

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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.