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Finding the Fourth Proportional to 8,754.74, 13,116.96 and 5,899.89

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Solution

The fourth proportional to 8,754.74, 13,116.96 and 5,899.89 is: 8,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.74 : 13,116.96 = 5,899.89 : x
  2. Step 2: Convert to fraction form
    8,754.74/13,116.96 = 5,899.89/x
  3. Step 3: Cross multiply
    8,754.74x = 13,116.96 × 5,899.89
  4. Step 4: Simplify right side
    8,754.74x = 77,388,621.13
  5. Step 5: Solve for x
    x = 77,388,621.13/8,754.74
  6. Step 6: Final answer
    x = 8,839.63

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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.