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Finding the Fourth Proportional to 12,338.18, 17,026.35 and 6,749.18

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Solution

The fourth proportional to 12,338.18, 17,026.35 and 6,749.18 is: 9,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.18 : 17,026.35 = 6,749.18 : x
  2. Step 2: Convert to fraction form
    12,338.18/17,026.35 = 6,749.18/x
  3. Step 3: Cross multiply
    12,338.18x = 17,026.35 × 6,749.18
  4. Step 4: Simplify right side
    12,338.18x = 114,913,900.89
  5. Step 5: Solve for x
    x = 114,913,900.89/12,338.18
  6. Step 6: Final answer
    x = 9,313.68

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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.