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Finding the Fourth Proportional to 10,258.56, 15,376.84 and 7,327.98

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Solution

The fourth proportional to 10,258.56, 15,376.84 and 7,327.98 is: 10,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.56 : 15,376.84 = 7,327.98 : x
  2. Step 2: Convert to fraction form
    10,258.56/15,376.84 = 7,327.98/x
  3. Step 3: Cross multiply
    10,258.56x = 15,376.84 × 7,327.98
  4. Step 4: Simplify right side
    10,258.56x = 112,681,175.98
  5. Step 5: Solve for x
    x = 112,681,175.98/10,258.56
  6. Step 6: Final answer
    x = 10,984.11

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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.