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Finding the Fourth Proportional to 11,356.58, 15,655.60 and 7,376.24

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Solution

The fourth proportional to 11,356.58, 15,655.60 and 7,376.24 is: 10,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.58 : 15,655.60 = 7,376.24 : x
  2. Step 2: Convert to fraction form
    11,356.58/15,655.60 = 7,376.24/x
  3. Step 3: Cross multiply
    11,356.58x = 15,655.60 × 7,376.24
  4. Step 4: Simplify right side
    11,356.58x = 115,479,462.94
  5. Step 5: Solve for x
    x = 115,479,462.94/11,356.58
  6. Step 6: Final answer
    x = 10,168.51

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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.