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Finding the Fourth Proportional to 8,723.88, 13,080.86 and 5,953.91

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Solution

The fourth proportional to 8,723.88, 13,080.86 and 5,953.91 is: 8,927.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.88 : 13,080.86 = 5,953.91 : x
  2. Step 2: Convert to fraction form
    8,723.88/13,080.86 = 5,953.91/x
  3. Step 3: Cross multiply
    8,723.88x = 13,080.86 × 5,953.91
  4. Step 4: Simplify right side
    8,723.88x = 77,882,182.87
  5. Step 5: Solve for x
    x = 77,882,182.87/8,723.88
  6. Step 6: Final answer
    x = 8,927.47

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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.