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Finding the Fourth Proportional to 8,866.24, 13,300.93 and 2,943.47

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Solution

The fourth proportional to 8,866.24, 13,300.93 and 2,943.47 is: 4,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.24 : 13,300.93 = 2,943.47 : x
  2. Step 2: Convert to fraction form
    8,866.24/13,300.93 = 2,943.47/x
  3. Step 3: Cross multiply
    8,866.24x = 13,300.93 × 2,943.47
  4. Step 4: Simplify right side
    8,866.24x = 39,150,908.80
  5. Step 5: Solve for x
    x = 39,150,908.80/8,866.24
  6. Step 6: Final answer
    x = 4,415.73

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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.