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Finding the Fourth Proportional to 13,597.77, 18,767.04 and 7,631.85

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Solution

The fourth proportional to 13,597.77, 18,767.04 and 7,631.85 is: 10,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.77 : 18,767.04 = 7,631.85 : x
  2. Step 2: Convert to fraction form
    13,597.77/18,767.04 = 7,631.85/x
  3. Step 3: Cross multiply
    13,597.77x = 18,767.04 × 7,631.85
  4. Step 4: Simplify right side
    13,597.77x = 143,227,234.22
  5. Step 5: Solve for x
    x = 143,227,234.22/13,597.77
  6. Step 6: Final answer
    x = 10,533.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.