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Finding the Fourth Proportional to 17,661.33, 26,491.95 and 4,513.68

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Solution

The fourth proportional to 17,661.33, 26,491.95 and 4,513.68 is: 6,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.33 : 26,491.95 = 4,513.68 : x
  2. Step 2: Convert to fraction form
    17,661.33/26,491.95 = 4,513.68/x
  3. Step 3: Cross multiply
    17,661.33x = 26,491.95 × 4,513.68
  4. Step 4: Simplify right side
    17,661.33x = 119,576,184.88
  5. Step 5: Solve for x
    x = 119,576,184.88/17,661.33
  6. Step 6: Final answer
    x = 6,770.51

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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.