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Finding the Fourth Proportional to 12,795.49, 17,529.92 and 12,316.11

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Solution

The fourth proportional to 12,795.49, 17,529.92 and 12,316.11 is: 16,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.49 : 17,529.92 = 12,316.11 : x
  2. Step 2: Convert to fraction form
    12,795.49/17,529.92 = 12,316.11/x
  3. Step 3: Cross multiply
    12,795.49x = 17,529.92 × 12,316.11
  4. Step 4: Simplify right side
    12,795.49x = 215,900,423.01
  5. Step 5: Solve for x
    x = 215,900,423.01/12,795.49
  6. Step 6: Final answer
    x = 16,873.17

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.