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Finding the Fourth Proportional to 7,342.71, 11,015.21 and 2,411.22

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Solution

The fourth proportional to 7,342.71, 11,015.21 and 2,411.22 is: 3,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.71 : 11,015.21 = 2,411.22 : x
  2. Step 2: Convert to fraction form
    7,342.71/11,015.21 = 2,411.22/x
  3. Step 3: Cross multiply
    7,342.71x = 11,015.21 × 2,411.22
  4. Step 4: Simplify right side
    7,342.71x = 26,560,082.60
  5. Step 5: Solve for x
    x = 26,560,082.60/7,342.71
  6. Step 6: Final answer
    x = 3,617.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.