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Finding the Fourth Proportional to 8,873.16, 13,309.80 and 2,633.28

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Solution

The fourth proportional to 8,873.16, 13,309.80 and 2,633.28 is: 3,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.16 : 13,309.80 = 2,633.28 : x
  2. Step 2: Convert to fraction form
    8,873.16/13,309.80 = 2,633.28/x
  3. Step 3: Cross multiply
    8,873.16x = 13,309.80 × 2,633.28
  4. Step 4: Simplify right side
    8,873.16x = 35,048,430.14
  5. Step 5: Solve for x
    x = 35,048,430.14/8,873.16
  6. Step 6: Final answer
    x = 3,949.94

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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.