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Finding the Fourth Proportional to 8,733.30, 13,098.51 and 2,809.89

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Solution

The fourth proportional to 8,733.30, 13,098.51 and 2,809.89 is: 4,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.30 : 13,098.51 = 2,809.89 : x
  2. Step 2: Convert to fraction form
    8,733.30/13,098.51 = 2,809.89/x
  3. Step 3: Cross multiply
    8,733.30x = 13,098.51 × 2,809.89
  4. Step 4: Simplify right side
    8,733.30x = 36,805,372.26
  5. Step 5: Solve for x
    x = 36,805,372.26/8,733.30
  6. Step 6: Final answer
    x = 4,214.37

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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.