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Finding the Fourth Proportional to 5,352.21, 7,386.21 and 2,994.30

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Solution

The fourth proportional to 5,352.21, 7,386.21 and 2,994.30 is: 4,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.21 : 7,386.21 = 2,994.30 : x
  2. Step 2: Convert to fraction form
    5,352.21/7,386.21 = 2,994.30/x
  3. Step 3: Cross multiply
    5,352.21x = 7,386.21 × 2,994.30
  4. Step 4: Simplify right side
    5,352.21x = 22,116,528.60
  5. Step 5: Solve for x
    x = 22,116,528.60/5,352.21
  6. Step 6: Final answer
    x = 4,132.22

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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.