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Finding the Fourth Proportional to 12,460.89, 18,693.90 and 5,065.34

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Solution

The fourth proportional to 12,460.89, 18,693.90 and 5,065.34 is: 7,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.89 : 18,693.90 = 5,065.34 : x
  2. Step 2: Convert to fraction form
    12,460.89/18,693.90 = 5,065.34/x
  3. Step 3: Cross multiply
    12,460.89x = 18,693.90 × 5,065.34
  4. Step 4: Simplify right side
    12,460.89x = 94,690,959.43
  5. Step 5: Solve for x
    x = 94,690,959.43/12,460.89
  6. Step 6: Final answer
    x = 7,599.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.