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Finding the Fourth Proportional to 36,169, 54,251.34 and 11,209.12

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Solution

The fourth proportional to 36,169, 54,251.34 and 11,209.12 is: 16,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169 : 54,251.34 = 11,209.12 : x
  2. Step 2: Convert to fraction form
    36,169/54,251.34 = 11,209.12/x
  3. Step 3: Cross multiply
    36,169x = 54,251.34 × 11,209.12
  4. Step 4: Simplify right side
    36,169x = 608,109,780.22
  5. Step 5: Solve for x
    x = 608,109,780.22/36,169
  6. Step 6: Final answer
    x = 16,813.01

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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.