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Finding the Fourth Proportional to 14,659.62, 21,983.94 and 5,891.58

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Solution

The fourth proportional to 14,659.62, 21,983.94 and 5,891.58 is: 8,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.62 : 21,983.94 = 5,891.58 : x
  2. Step 2: Convert to fraction form
    14,659.62/21,983.94 = 5,891.58/x
  3. Step 3: Cross multiply
    14,659.62x = 21,983.94 × 5,891.58
  4. Step 4: Simplify right side
    14,659.62x = 129,520,141.23
  5. Step 5: Solve for x
    x = 129,520,141.23/14,659.62
  6. Step 6: Final answer
    x = 8,835.16

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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.