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Finding the Fourth Proportional to 11,855.34, 17,801.51 and 11,329.52

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Solution

The fourth proportional to 11,855.34, 17,801.51 and 11,329.52 is: 17,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.34 : 17,801.51 = 11,329.52 : x
  2. Step 2: Convert to fraction form
    11,855.34/17,801.51 = 11,329.52/x
  3. Step 3: Cross multiply
    11,855.34x = 17,801.51 × 11,329.52
  4. Step 4: Simplify right side
    11,855.34x = 201,682,417.92
  5. Step 5: Solve for x
    x = 201,682,417.92/11,855.34
  6. Step 6: Final answer
    x = 17,011.95

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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.