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Finding the Fourth Proportional to 11,689.97, 17,534.95 and 2,924.88

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Solution

The fourth proportional to 11,689.97, 17,534.95 and 2,924.88 is: 4,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.97 : 17,534.95 = 2,924.88 : x
  2. Step 2: Convert to fraction form
    11,689.97/17,534.95 = 2,924.88/x
  3. Step 3: Cross multiply
    11,689.97x = 17,534.95 × 2,924.88
  4. Step 4: Simplify right side
    11,689.97x = 51,287,624.56
  5. Step 5: Solve for x
    x = 51,287,624.56/11,689.97
  6. Step 6: Final answer
    x = 4,387.32

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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.