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Finding the Fourth Proportional to 9,660.81, 14,568.08 and 9,529.08

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Solution

The fourth proportional to 9,660.81, 14,568.08 and 9,529.08 is: 14,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.81 : 14,568.08 = 9,529.08 : x
  2. Step 2: Convert to fraction form
    9,660.81/14,568.08 = 9,529.08/x
  3. Step 3: Cross multiply
    9,660.81x = 14,568.08 × 9,529.08
  4. Step 4: Simplify right side
    9,660.81x = 138,820,297.49
  5. Step 5: Solve for x
    x = 138,820,297.49/9,660.81
  6. Step 6: Final answer
    x = 14,369.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.