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Finding the Fourth Proportional to 11,969.52, 17,955.10 and 4,068.82

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Solution

The fourth proportional to 11,969.52, 17,955.10 and 4,068.82 is: 6,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.52 : 17,955.10 = 4,068.82 : x
  2. Step 2: Convert to fraction form
    11,969.52/17,955.10 = 4,068.82/x
  3. Step 3: Cross multiply
    11,969.52x = 17,955.10 × 4,068.82
  4. Step 4: Simplify right side
    11,969.52x = 73,056,069.98
  5. Step 5: Solve for x
    x = 73,056,069.98/11,969.52
  6. Step 6: Final answer
    x = 6,103.51

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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.