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Finding the Fourth Proportional to 7,410.30, 11,113.29 and 2,792.22

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Solution

The fourth proportional to 7,410.30, 11,113.29 and 2,792.22 is: 4,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.30 : 11,113.29 = 2,792.22 : x
  2. Step 2: Convert to fraction form
    7,410.30/11,113.29 = 2,792.22/x
  3. Step 3: Cross multiply
    7,410.30x = 11,113.29 × 2,792.22
  4. Step 4: Simplify right side
    7,410.30x = 31,030,750.60
  5. Step 5: Solve for x
    x = 31,030,750.60/7,410.30
  6. Step 6: Final answer
    x = 4,187.52

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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.