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Finding the Fourth Proportional to 9,201.87, 13,802.63 and 2,628

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Solution

The fourth proportional to 9,201.87, 13,802.63 and 2,628 is: 3,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.87 : 13,802.63 = 2,628 : x
  2. Step 2: Convert to fraction form
    9,201.87/13,802.63 = 2,628/x
  3. Step 3: Cross multiply
    9,201.87x = 13,802.63 × 2,628
  4. Step 4: Simplify right side
    9,201.87x = 36,273,298.50
  5. Step 5: Solve for x
    x = 36,273,298.50/9,201.87
  6. Step 6: Final answer
    x = 3,941.95

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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.