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Finding the Fourth Proportional to 11,362.62, 17,021.37 and 8,885.84

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Solution

The fourth proportional to 11,362.62, 17,021.37 and 8,885.84 is: 13,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.62 : 17,021.37 = 8,885.84 : x
  2. Step 2: Convert to fraction form
    11,362.62/17,021.37 = 8,885.84/x
  3. Step 3: Cross multiply
    11,362.62x = 17,021.37 × 8,885.84
  4. Step 4: Simplify right side
    11,362.62x = 151,249,170.40
  5. Step 5: Solve for x
    x = 151,249,170.40/11,362.62
  6. Step 6: Final answer
    x = 13,311.12

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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.