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Finding the Fourth Proportional to 9,612.38, 14,419.38 and 3,038.42

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Solution

The fourth proportional to 9,612.38, 14,419.38 and 3,038.42 is: 4,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.38 : 14,419.38 = 3,038.42 : x
  2. Step 2: Convert to fraction form
    9,612.38/14,419.38 = 3,038.42/x
  3. Step 3: Cross multiply
    9,612.38x = 14,419.38 × 3,038.42
  4. Step 4: Simplify right side
    9,612.38x = 43,812,132.58
  5. Step 5: Solve for x
    x = 43,812,132.58/9,612.38
  6. Step 6: Final answer
    x = 4,557.89

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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.