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Finding the Fourth Proportional to 9,661.04, 14,491.78 and 5,471.11

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Solution

The fourth proportional to 9,661.04, 14,491.78 and 5,471.11 is: 8,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.04 : 14,491.78 = 5,471.11 : x
  2. Step 2: Convert to fraction form
    9,661.04/14,491.78 = 5,471.11/x
  3. Step 3: Cross multiply
    9,661.04x = 14,491.78 × 5,471.11
  4. Step 4: Simplify right side
    9,661.04x = 79,286,022.66
  5. Step 5: Solve for x
    x = 79,286,022.66/9,661.04
  6. Step 6: Final answer
    x = 8,206.78

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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.