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Finding the Fourth Proportional to 27,307.39, 40,965.89 and 11,296.87

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Solution

The fourth proportional to 27,307.39, 40,965.89 and 11,296.87 is: 16,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.39 : 40,965.89 = 11,296.87 : x
  2. Step 2: Convert to fraction form
    27,307.39/40,965.89 = 11,296.87/x
  3. Step 3: Cross multiply
    27,307.39x = 40,965.89 × 11,296.87
  4. Step 4: Simplify right side
    27,307.39x = 462,786,333.76
  5. Step 5: Solve for x
    x = 462,786,333.76/27,307.39
  6. Step 6: Final answer
    x = 16,947.29

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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.