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Finding the Fourth Proportional to 8,892.61, 13,339.69 and 3,628.01

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Solution

The fourth proportional to 8,892.61, 13,339.69 and 3,628.01 is: 5,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.61 : 13,339.69 = 3,628.01 : x
  2. Step 2: Convert to fraction form
    8,892.61/13,339.69 = 3,628.01/x
  3. Step 3: Cross multiply
    8,892.61x = 13,339.69 × 3,628.01
  4. Step 4: Simplify right side
    8,892.61x = 48,396,553.00
  5. Step 5: Solve for x
    x = 48,396,553.00/8,892.61
  6. Step 6: Final answer
    x = 5,442.34

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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.