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Finding the Fourth Proportional to 9,203.76, 13,803.32 and 2,629.98

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Solution

The fourth proportional to 9,203.76, 13,803.32 and 2,629.98 is: 3,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.76 : 13,803.32 = 2,629.98 : x
  2. Step 2: Convert to fraction form
    9,203.76/13,803.32 = 2,629.98/x
  3. Step 3: Cross multiply
    9,203.76x = 13,803.32 × 2,629.98
  4. Step 4: Simplify right side
    9,203.76x = 36,302,455.53
  5. Step 5: Solve for x
    x = 36,302,455.53/9,203.76
  6. Step 6: Final answer
    x = 3,944.31

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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.