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Finding the Fourth Proportional to 7,043, 10,568.15 and 3,580.25

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Solution

The fourth proportional to 7,043, 10,568.15 and 3,580.25 is: 5,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043 : 10,568.15 = 3,580.25 : x
  2. Step 2: Convert to fraction form
    7,043/10,568.15 = 3,580.25/x
  3. Step 3: Cross multiply
    7,043x = 10,568.15 × 3,580.25
  4. Step 4: Simplify right side
    7,043x = 37,836,601.14
  5. Step 5: Solve for x
    x = 37,836,601.14/7,043
  6. Step 6: Final answer
    x = 5,372.23

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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.