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Finding the Fourth Proportional to 7,202.76, 10,802.04 and 2,521.92

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Solution

The fourth proportional to 7,202.76, 10,802.04 and 2,521.92 is: 3,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.76 : 10,802.04 = 2,521.92 : x
  2. Step 2: Convert to fraction form
    7,202.76/10,802.04 = 2,521.92/x
  3. Step 3: Cross multiply
    7,202.76x = 10,802.04 × 2,521.92
  4. Step 4: Simplify right side
    7,202.76x = 27,241,880.72
  5. Step 5: Solve for x
    x = 27,241,880.72/7,202.76
  6. Step 6: Final answer
    x = 3,782.14

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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.