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Finding the Fourth Proportional to 10,356.36, 15,541.82 and 3,788.07

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Solution

The fourth proportional to 10,356.36, 15,541.82 and 3,788.07 is: 5,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.36 : 15,541.82 = 3,788.07 : x
  2. Step 2: Convert to fraction form
    10,356.36/15,541.82 = 3,788.07/x
  3. Step 3: Cross multiply
    10,356.36x = 15,541.82 × 3,788.07
  4. Step 4: Simplify right side
    10,356.36x = 58,873,460.38
  5. Step 5: Solve for x
    x = 58,873,460.38/10,356.36
  6. Step 6: Final answer
    x = 5,684.77

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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.