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Finding the Fourth Proportional to 12,699.46, 17,525.23 and 7,110.46

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Solution

The fourth proportional to 12,699.46, 17,525.23 and 7,110.46 is: 9,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.46 : 17,525.23 = 7,110.46 : x
  2. Step 2: Convert to fraction form
    12,699.46/17,525.23 = 7,110.46/x
  3. Step 3: Cross multiply
    12,699.46x = 17,525.23 × 7,110.46
  4. Step 4: Simplify right side
    12,699.46x = 124,612,446.91
  5. Step 5: Solve for x
    x = 124,612,446.91/12,699.46
  6. Step 6: Final answer
    x = 9,812.42

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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.