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Finding the Fourth Proportional to 7,352.10, 11,025.78 and 2,420.57

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Solution

The fourth proportional to 7,352.10, 11,025.78 and 2,420.57 is: 3,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.10 : 11,025.78 = 2,420.57 : x
  2. Step 2: Convert to fraction form
    7,352.10/11,025.78 = 2,420.57/x
  3. Step 3: Cross multiply
    7,352.10x = 11,025.78 × 2,420.57
  4. Step 4: Simplify right side
    7,352.10x = 26,688,617.17
  5. Step 5: Solve for x
    x = 26,688,617.17/7,352.10
  6. Step 6: Final answer
    x = 3,630.07

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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.