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Finding the Fourth Proportional to 15,077.41, 20,807.37 and 11,293.90

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Solution

The fourth proportional to 15,077.41, 20,807.37 and 11,293.90 is: 15,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.41 : 20,807.37 = 11,293.90 : x
  2. Step 2: Convert to fraction form
    15,077.41/20,807.37 = 11,293.90/x
  3. Step 3: Cross multiply
    15,077.41x = 20,807.37 × 11,293.90
  4. Step 4: Simplify right side
    15,077.41x = 234,996,356.04
  5. Step 5: Solve for x
    x = 234,996,356.04/15,077.41
  6. Step 6: Final answer
    x = 15,585.99

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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.