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Finding the Fourth Proportional to 5,661.99, 8,491.64 and 2,375.15

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Solution

The fourth proportional to 5,661.99, 8,491.64 and 2,375.15 is: 3,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.99 : 8,491.64 = 2,375.15 : x
  2. Step 2: Convert to fraction form
    5,661.99/8,491.64 = 2,375.15/x
  3. Step 3: Cross multiply
    5,661.99x = 8,491.64 × 2,375.15
  4. Step 4: Simplify right side
    5,661.99x = 20,168,864.41
  5. Step 5: Solve for x
    x = 20,168,864.41/5,661.99
  6. Step 6: Final answer
    x = 3,562.15

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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.