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Finding the Fourth Proportional to 10,903.56, 15,051.40 and 7,371.52

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Solution

The fourth proportional to 10,903.56, 15,051.40 and 7,371.52 is: 10,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.56 : 15,051.40 = 7,371.52 : x
  2. Step 2: Convert to fraction form
    10,903.56/15,051.40 = 7,371.52/x
  3. Step 3: Cross multiply
    10,903.56x = 15,051.40 × 7,371.52
  4. Step 4: Simplify right side
    10,903.56x = 110,951,696.13
  5. Step 5: Solve for x
    x = 110,951,696.13/10,903.56
  6. Step 6: Final answer
    x = 10,175.73

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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.